X + 7x - 2 equals -20

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Select the lengths in centimeters that would form a right triangle

On every three hamburgers that mcdonald’s make they use 9 pickles how many pickles would they use on 99 burgers