A certain state's milk production was 980 million pounds in 2007 and 2.7 billion pounds in 2014. Approximately how many more million gallons of milk did the state produce in 2014 than in 2007 ? (1 billion = ~$10^9$~ and 1 gallon = 8.6 pounds.)

Sam has $800 in his account. He will deposit $1 in his account one week from now, $2 two weeks from now, and each week thereafter he will deposit an amount that is $1 greater than the amount that he deposited one week before. If there are no other transactions, how much money will Sam have in his account 50 weeks from now?

Last year a state senate consisting of only Republican and Democrat members had 20 more Republican members than Democrat members. This year the senate has the same number of members as last year, but it has 2 fewer Republican members than last year. If this year the number of Republican members is 2/3 the number of senate members, how many members does the senate have this year?

The profit P, in dollars, for any given month at a certain company is defined by P = I - C, where I represents total income, in dollars, and C represents total costs, in dollars, for the month. For each of the first 4 months of the year, C = I + 32,000; and for each of the next 3 months, I = C + 36,000. If I = C + 10,000 for each of the 5 remaining months of the year, what was the company's total profit for the 12-month year?

In the xy plane, the distance between the origin and the point (4,5) is the same as the distance between which of the following two points?

For all real numbers a, b, c, d, e, and f, the operation ㊀ is defined by the equation (a, b, c) ㊀ (d, e, f) = ad + be + cf. What is the value of (1, -2, 3 ) ㊀  (1, -~$1 \over 2$~, ~$1 \over 3$~)?

If z≠0 and z+~$1-2z^2\over z $~=~$w \over z$~,then w=

If the mass of 1 cubic centimeter of a certain substance is 7.3 grams, what is the mass, in kilograms, of 1 cubic meter of this substance? (1 cubic meter = 1,000,000 cubic centimeters; 1 kilogram = 1,000 grams)

To rent a tractor, it costs a total of x dollars for the first 24 hours, plus y dollars per hour for each hour in excess of 24 hours. Which of the following represents the cost, in dollars, to rent a tractor for 36 hours?

m ⊕ p = n

n  ⊕  r =m

n  ⊕  q = q

p  ⊕  q = p

q  ⊕   p = r

If the relations shown hold for the operation ⊕ and the numbers m, n, p q and r, then [(m⊕p)⊕q]⊕p=