The answers 15 because we have two negatives it's always a positive and 3×5 is 15
Marlee will have 21.05 inches of wire left, here is why;
115-25.75=89.25
89.25+30=119.25
119.25-38=81.25
81.25-60.2=21.05
She has 21.05 inches of wire left.
19.5 meters you multiply 3 seconds by 6.5, there are 6.5 meters per second, thus implying each second is 6.5 meters. Equaling 19.5
I think the answer might be B. $4,754.60 but I'm not sure. Sorry
For the very last part, a is 29 and b is 45.