Bradley said that the expression 2.6x - (1.3x - 4.5) is equivalent to 1.3x - 4.5 is he correct if not explain his error

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?