Monica paid sales tax of $3 when she bought a new bike helmet. If the sales tax rate was 6%, how much did the store charge for the bike helmet before tax?

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

What numbers are included in the set of integers? what numbers are not included?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2