F (x) = x2 - 8x - 9 what is the vertex

5-2x=12 solve for x. what is X?

A company rents gym equipment for a fixed amount plus a fee based on the number of days for which the equipment is rented. The table shows the total charges, y, in dollars, of renting gym equipment for x number of days

Evaluate the expression below when x = 5. 3x (2x - 7)

1 three tails you flip a fair coin until you see three tails in a row. what is the average number of heads that you'll see until getting t t t?

An adult meerkat weighs 0.786 kilograms. This is 747 grams more than the weight of a baby meerkat. How much does a baby meerkat weigh?

How do I simplify - 5 (a-9)

What is 20 gallons equal to?

Which change will triple the lateral surface area of a regular triangular pyramid with base length b, height h, and slant height l?

Two sides of a triangle measures 20 centimeters and 30 centimeters which of the following could be the measure of the third side

If 2a + 2/a = 4, what is the value of 2a^2 - (2/a^2) ? If 2a + 2/a = 4, what is the value of 2a^2 + (2/a^2) ?