What is the Evaluate the expression.
15.6−(−13.7−8.5)

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?

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1