Create an equivalent expression that includes a set of parentheses that make the value of the expression 13. Remember, you can have two or more numbers within the set of parentheses.
1/2 X 12 divided by 2 -2 + 1

True or false? a triangle can be circumscribed about a given circle

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Somone me i want to know what 18 hours out of 24 hours in a fraction