5) a roll of wire holds 3.2 meters of wire. one meter is equal to approximately 3.28 feet. about
how many feet of wire does the roll hold? (round your answer to the nearest hundredth.)

1 meter = 3.28 ft. 3

3.28 * 3.2 = 10.496

10.496 rounds up to 10.50

3.2 meters = 10.50 feet.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a