martina sold t shirts at a festival. She made $4 for each t shirt she sold. Her expenses were $25. If she made a profit of$71, How many t shirts did she sell?

Evaluate cos2θ for cosθ = square root of 3/2

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?