64 for each cube there is a bigger cube that is 3/4feet on each side what is the volume in cubic feet in fraction form if necessary

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Arrange these numbers from least to greatest 3/5 5/7 2/9

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).