If the mean of the four nurnbers 4, 8, x and

12 is 0, chen x is

Multiply the polynomials. (4x2 + 4x + 6) (7x + 5) A. 28x3 + 8x2 + 22x - 30 B. 28x3 + 8x2 + 22x + 30 C. 28x3 + 48x2 + 62x + 30 D. 28x3 - 40x2 + 70x + 30

What is the probability that a card drawn randomly from a standard deck of 52 52 cards is a six? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

What is the best estimate for the height of a tree?

Charlotte is running at a race of 9 km/h. What is Charlotte's speed in m/s?

A company makes and sells charm bracelets. The cost of producing x bracelets is represented by the function. C (x) = 180+8x. The revenue earned for selling x bracelets is represented by the function R (x) = 20x.

Convert the equation to standard form. y=9 (x-2/3) ^2

Jordyn took a taxi from the airport to her house. She paid a flat fee of $5 plus $3.70 per mile. The fare came to $42. For Jordyn's taxi ride, which equation gives the correct distance in miles?

What is equivalent to 16/4?

In triangle ABC, a = 3, b = 5, and c = 7. Find the measure of B.

Which equation represents a line that is perpendicular to y=2/5x + 1 and passes though (-10,20)