Which of these systems of equations has a solution of (6,-7) ?

A

x-2y=20

2x-y=19

B

x-2y=20

2x+y=19

C

x+2y=20

2x-y=19

D

x+2y=20

2x+y=19

Tomas is cooking a turkey. The turkey weighs 6.7kg. The recipe tells him the turkey must be cooked for 40 minutes per kg. The turkey must be left to stand for 25 minutes before serving. He wants to serve the meal at 1pm.

What is the square root of 64y16? o 44 O 4y o 8 o gy

Greg made 1 more than twice as many baskets at his game on Wednesday than he made at his game on Monday. If he made 11 baskets on Wednesday, how many did he make on Monday? Write and solve an equation

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A circular park has a radius of 40 meter. what is the distance around the park?

Is f (x) = 3x+1 a function

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a cylinder has a base radius of 7 in and a height of 18 in. what is it's volume in cubic in, to the nearest tenths place?

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