In terms of a and b, the zeroes of the function y=1/2(x+4b)(x-2a) are which of the following
(1) x=-4b and x= 2a
2 x= 4b and x= -2a
3 x = -2b and x= -a
(4) x=(x-4)^2+5

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?