An item is regularly priced at $70. Chang bought it on sale for 60% off the regular price. How much did Chang pay?

Which best explains why this triangle is or is not a right triangle?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2