An industry that has four large firms that provide of the supply of the product is called an oligopoly.
a. 75%
b. 65%
c. 55%
d. 45%

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).

Which of the following describes the symmetry of the graph of y = x3?

If a is a nonzero real number then the reciprocal of a is