What is the solution to this system of equations? a - b + c = -6
b - c = 5
2a - 2c = 4

A) 2

B) -1

C) -3

D) 1

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The graph shows the distance kerri drives on a trip. what is kerri's speed?