The regular price of a coat is 120.00. it is on sale for 25% off. what is the sale price?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°