Simplify: 5g (3g + 7g² - 9)

A. 50g⁴ - 45g

B. 15g2 +35g – 45g

C. 8² + 12g³ – 4g

D. 8g + 7g²- 9

E. 5g⁴

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 this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Which representation has a constant of variation of -2.5