Which of the following equations is in standard form

A) 5x+5y=35

B) 2x-9y=15

C) - y=2x

D) y=-2x+3

2i (4+5i) (4-5I) / 4+i find the quotient and express it in its simplest form A; 82/16+32/17i B: 82/17+328/17i C: 82/16-308/16i D: 1/3+11/3i

What would 6 2/8 be if you turned it into a improper fraction?

How many yards are in 92 inches

A gourmet pizza café sells three pizzas three sides of pizza if you buy three sizes it cost 46.24 A medium pizza cost $15.75 and a large pizza cost $17.50 how much does the small pizza cost

Souta wants to compare the mean of his test scores in French class to the mean absolute deviation. Language Test Scores French Scores 76 62 94 80 He uses the steps below to find both the mean and mean absolute deviation.

How many significant figures are there in 0.04720?

Write number in standar form 8,000,000+300+9

Martha make an investment of $500 in an account that pay 6%interest compounded monthly A) write a equation you could use to determine she earns in t years.

Find the solution of this system of equations. x-8y=21 and 3x-8y=15

Find the difference. (5x2 + 2x + 11) - (7 + 4x - 2x2)