Express the numbers of each of the following pairs as the product of prime numbers and hence find their LCM. (a) 72,144 (b) 39,117 (c) 72,90 (d) 84,147 (e) 152,288

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)