An employee earns a 25% commission rate on his sales. One day, he earned $175. What was his amount of sales? Help Please

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Evaluate cos2θ for cosθ = square root of 3/2