Tina's car needs to be repaired. As auto repair shop charges Tina $42.30 for replacement parts and $22.50 per hour of labor. If Tina gets charged a total of $109.80, how many hours of labor were spent on the repair?
O 5 hours
O 4 hours
O 3 hours
O 2 hours

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n