4(2a+3b)(5x+y)
how many factors make up this product ?

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?