Find the overall percent change compared to the original amount: A shirt originally costing $20 is marked with a 15% discount.

Jesse rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 15 miles. How many miles did jesse ride his bike during the last half hour? (enter an exact number.)

As you should remember from Calculus, every cubic polynomial with real coefficients has a real root. Express that statement using ∀, ∃ quantifiers and other math symbols but without using any words.

Don tracked the price of gas for several months. In January gas cost $2.65, in February the price had risen $0.56, in March decreased $0.23, in April risen $1.02, and in May decreased $0.48.

If f (x) and g (x) are continuous on [a, b], which one of the following statements is false? A) the integral from a to b of the sum of f of x and g of x, dx equals the integral from a to b of f of x, dx plus the integral from a to b of g of x dx B)

The distance between Earth to Neptune is approximately 4.3514 x 10^9 A. millimeters B. centimeters C. meters D. kilometers

A bag contains 4 blue and 3 yellow marbles. The marbles are removed from the bag one at a time without replacement. what is the probability that the fifth marble is yellow?

if light travels at around 3*10^8 meters/second. how far does light travel in one minute in scientific notation

Solve this 6r+7=13+7r

Rectangle with length 12.3 centimeters and width of 5 centimeters

What is the of the polynomial? (5X^3+4x^2) - (6x^2-2X-9)