A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+80t. After how many seconds will it reach a height of 96 ft?

A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+80t. After how many seconds will it reach a height of 96 ft?

Write equations and factoe

JOHN NEEDED 13.71 FEET OF WIRE TO FIX A LAMP. HE BOUGHT 14 AND A HALF FEET OF WIRE. HOW MUCH WIRE DID HE HAVE LEFT AFTER FIXING THE LAMP?

Four times the square of a number is 45 more than eight times the number. What is the number?

Please explain how to do this kind of problem

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