Which expression is equivalent to (x2-2x-37)÷(x2-3x-40)​

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1