Are the lines y = - x - 4 and 5x + 5y = 20 perpendicular? Explain.

Hey scientist has it the amount of rainfall during the afternoon is around 0.43 minutes and each hour what was the total amount of rain fall in three hours

Use the elimination method to solve the system of equations. Choose the correct ordered pair. 3y=x-1 x-2y=2

Tim made 80% of his free throws during the basketball tournament. He was at the free throw line ten times taking 20 shots at this tournament. How many free throw shots did he make?

Find the greatest common factor of the following monomials: 40a2b 24a2 b5

Six-packs of cola were on sale at a grocery store. John bought the limit, which was 8 six-packs. how many individual cans of cola is this?

0.563 wrote as a fraction

The quotient of 5:6 rounded to the nearest hundreth

How do you long divide with 3 digits?

Is 1/2 and 2/4 are equivalent fractions?

Let f (x) = 1-x and g (x) = x^3+4, find (f°g) (0)