Simplify the following expressions and evaluate any numerical expressions. (−3x)2

Select one:

−9x4

−9x2

9x4

9x2

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).

Solve the equation. then check your solution 8=1.88+a

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4