Verify the identity and show all your steps for full credit
cos(x+pi/2) = -sinx

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?