Evaluate a2-b2 for a = 4 and b = -5.
-26
-9
41

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap