Eduardo of a number between one and 20 that it has exactly 5 factors what number is he thinking of

(-5,-28)

i graphed to on desmos.

answer4 to the second power is 16

and 4 to the third power is 64,

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

.