You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42.
write an equation you can use to find the sales tax rate .
an equation is 42=__

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5