Simplify the function c(x)=x^2+4x-5 over x+5

Write the pair of fractions as a pair of fractions with a common denominator

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish