Below is the graph of a trigonometric function. It intersects its midline at (-7/8pi , -10.1) and it has a maximum point at (-1/2 pi, 10.1 ). What is the period of the function? Give an exact value.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

Which expression is the factorization of x^2+10+21

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?