What is the simplified form of the following expression 6c^2+2.5d-d+2c^2-3d?

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

What is the solution to the division problem below x3+x2-11x+4/x+4