A store prices electronics and accessories at a 45% markup rate. If the store purchases headphones for $15, find the retail (selling) price of the headphones.
$21.75
$6.75
$15.45
$16.45

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?