A computer store sells a laptop for $475. The sales tax is 7%. Including sales tax, what is the total cost for a laptop ?

Can someone explain the elimination method to me for this problem?

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap