What is the surface area of the triangular prism below?
10 ft
8 ft
20 ft
12 ft

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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).

What is the product? a-3/15a × 5/a-3