After earning interest, the balance of an account is $420. the new balance is 76 of the original balance. write an equation that can be used to find the original balance b of the account.

The quadratic function h(t) = -16.1t^2 + 150 models a balls height, in feet, over time, in seconds, after its dropped from a 15 story building. from what height in feet was the ball dropped?

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?