A couch that regularly costs 975 is on sale for 390 what is the percent markdown

Measure the sides and angles of the two triangles. Are the two triangles similar?

A group of 15 people wants to form a committee consisting of a chair, vice chair, and three additional members. How many different committees can be formed? Do I use a permutation for the officers and a combination for the committees?

Mark and Carl each created a numeric pattern. both patterns start whit 0. The terms in Mark's pattern are always two times the sane terms in carl's pattern. What could be the rules for the two patterns?

Hudson picked 1 1/4 baskets of apples. Suzy picked 2 basket of apples. How many more basket of apples did Suzy picked than Hudson?

What is the value of q so that the expression 4 (5 + n) is equivalent to 4 (n + q)

In Covina, California, the population is 47,000. The population increases 18% every year. Determine how long it will take to reach 192,000.

Express 360 as a product of primes

2x - 6 ≥ 6 (x - 2) + 8

Diego is solving the inequality 100 - 3x ≥ - 50. He solves the equation 100 - 3x = - 50 and gets x = 50. What is the solution to the inequality?

What is the distance between (-2,4) and (5,4) on a coordinate grid