3. For a month, a parent offers to increase her son’s allowance by $4 each week. If he earned $9 the first week, how much will he earn in the 3rd week?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2