42 is 21 percent of what number

The function g(x) is defined as shown. x-1, -2 g(x) = 2x+3, -1 6-x, x23

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum