|5x + 5| - 7 = 18 a) x = 4 & x = -4 b) x = -6 & x = -4 c) x = 4 & x = -6 d) x = 6 & x = -6

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

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).