Solve these systems of equations.

1.

{2x-y=11

{5x-y=10

x=? y=?

2.

{x+2y=25

{-x+7y=56

x=? y=?

3.

{3x-2y=7

{x+2y=13

x=? y=?

If f (x) = x2 + 1 and g (x) = 3x+1, find f (2) + g (3).

In the staff room there is 7/8 of a cake left over from a meeting. If 14 members of a staff would all like a piece, what fraction of the original cake will they each receive? (Show how you reached your answer)

3x-5=3x+5 solve and show work

48.6:12 its middle school work dividing decimals

The Daily News reported that 54% of people surveyed said that they would vote for Larry Salva for mayor. Based on the survey results, if 23,500 people vote in the election, how many people are expected to vote for Mr. Salva?

F1 + F2 = FT and F1d1 = F2d2 Solve for F1 in terms of FT d1 and d2

The marine-life store would like to set up fish tanks that contain equal numbers of angel fish, swordtails, and guppies. what is the greatest number of tanks that can be set up if the store has 12 angel fish, 24 swordfish, and 30 guppies?

25 1/5 - 17 5/6 as a mixed number with the fractional part in lowest terms

1. How do you determine the constant that you should add to an expression in the form x^2+bx so that it becomes a perfect square trinomial? 2.

Determine if the statement is always, sometimes or never true. There are 300 degrees in the sum of the interior angles of a polygon. A. Always b. Sometimes C. Never