100 pennies equals how many dollars

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.