Solve equations below.
a. 2x + y = 5
-2x – 7y = 13

b. 4x + 5y = -5
x + 5y = 10

c. 4x =+ y = 14
x – 2y = 8

d. -x + 5y = 3
-3x + 15y = 9

e. y = -5x + 10
5x + y = 3

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.