Twice a number plus twice a second number is 310. The difference between the numbers is 55. Find the numbers by writing and solving a system of equations.

The weights for a population of North American raccoons have a bell-shaped frequency curve with a mean of about 12 pounds and a standard deviation of about 2.5 pounds.

A race car is driven around a circular track at a constant speed of 180 miles per hour. If the diameter of the track is 1/2 mile, what is the angular speed of the car?

Multiply the polynomials. (x - 6) (x2 + 2x - 4) A. x3 - 4x2 - 16x + 24 B. x3 + 2x2 - 4x + 24 C. x3 - 4x2 - 4x + 24 D. x3 + 2x2 - 16x + 24

What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?

Which statement is true? A. A biconditional is only true if both statements are true. B. A biconditional is only true if both statements have the same truth value. C. A biconditional is only true if the hypothesis is true. D.

A fair spinner has four colors: red, blue, yellow, and green. What is the probability of spinning red, then blue? Leave your answer in fraction form lowest terms.

Simplify 5x+10y+7x-4y

What is 3.8, 3.06, 3 1/6, 3 3/4 from least to greatest?

Write the parametric form of the line - 6x + 18y = 36

A cone and a cylinder have the same base and height, as shown below. A cone is inside of a cylinder with same base and height.