To cyclist begin traveling in the same direction on the same bike path one travels at 20 mph the other trails at 14 mph after how many hours will they be 15 miles apart

Which of the following statement about pascal's triangle are true?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

How many terms does the polynomial x^2 y^2 have