Which system of linear equations has the ordered pair (4, - 5) as a solution?

a. 2x-5y=-30 and 7x+4y=-19

b. 6x-y=-29 and 8x+3y=-17

c. 3x-2y=22 and 2x+97=-37

d. 5x-6y=49 and x+8y=-27

This lesson will discuss more theorems about the parts of a circle. True False

Diana is doing her math homework. Out of 24 problems Total, she completes the first 12 problems in one hour in the last 12 problems in three hours. What is the unit rate for all 24 problems

Does anybody know how to solve this equation: 5+4x-7=4x-2-x?

if angle 1 and angle 4 are supplementary which theorem leads to the conclusion that a is parallel to s

If A = 2, 4, 6, 8, 10 and B = 1, 2, 3, 4, 5 Find the union: A U B. {1, 2, 3, 4, 5, 6, 8, 10} {1, 3, 5} {2, 4} {7, 9}

After tossing the same coin 10 times, you are surprised to find that tails has come up 8 times. You therefore conclude that this coin is not fair and that the probability of getting tails with this coin is 0.80.

One polygon has a side of length 2 feet. A similar polygon has a corresponding side of length 4 feet. The ratio of the perimeter of the smaller polygon to the larger is 2/1 or 1/2 or 1/4

Maxine spent 15 hours doing homework last week. this week she spent 18 hours doing homework. she says she spent 120% more time doing homework this week. is she correct? show your work to justify your decision.

Answer key to why did the snake stick his head in the rabbits mouth worksheet

What is the ration of 4/20 and 1/5