Carrie needs to make 16 costumes for the school play. Each costume requires 2-1/4 yards of material. How many yards of material will she need?

a
36
b
32-1/4
c
8-1/4
d
16-1/4

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

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?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.