F (x) = 2x^2 + 5x + 20

Find f (-9)

Tell whether the ordered pair (1, - 4) is a solution of the given system y = - 4x y = 2x - 2

Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1. cos^4 (x)

If diameter of a circle is twice as large as the diameter of a smaller circle, What is the ratio of area of larger circle to area of smaller circle? Kindly solve this question in an understandable way.

The person must receive an additional 3 mg of the drug whenever its level has diminished to 0.38 mg. Round your answers to the nearest integer.

A tortoise is walking in the desert. It walks for 87.5 meters at a speed of 7 meters per minute. For how many minutes does it walk?

On the carousel there are 24 seats two seats each how many people can go up at the same time the ticket costs € 2 how much will they spend in everything?

50 liters is equivalent to how many quarts?

Solve the equation - 2=3-7/root (5) (x^ (2)) a. 4.98 b. 0.43, - 0.43 c. 3.87 d. 1.53, - 1.53

Kai wrote the number 85 on the board is 85 prime or coposite? Explain

Choose the phrase that gives the meaning of the following expression 3x - 5 A. The product of three and a number x less than five B. five less than the product of three and one number x C. Five less than the sum of three and a number x D.