The perimeter of a triangle is given by the formula P = a + b + c. Solved for b, this formula becomes b= A) P + a + c
B) P-a-c
C) Pta-c
D) P-a+c

Sum is 17 and their difference is 3

Write the expression 7x^3-28xy^2 as the product of 3 factors

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?