Find the area of a regular pentagon with a side of 10 cm. and an apothem of 4 cm.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.