Use the quadratic formula

9x^2+3x-1=0

Mariah played two games of checkers with her brother. The first game took 12 minutes and the second game took 18 minutes. They put the game away at 7:55. What time did they start playing checkers?

What is the compound interest if $470 is invested for 9 years at 10% compounded continuously?

Factor as the product of two bionomials x^2+3x-4

What is the inverse of f (x) = 2x-2

In ΔABC, the measure of angle A is 5° more than 3 times the measure of angle B. Angle C measures 20°less than angle B. Determine the measures of angles A, B, and C.

Evaluate each expression. 1) 5 - (4 - 2 - (6 - 6)) A) 8 B) 5 C) 2 D) 3 2) 1/2 - 4 (1/2 + 1) 2 A) - 9 B) 9/4 C) 17/2 D) - 17/2

Subtracting 6 from the product of 4 and a number results in the number added to 27.

2 (5x-7) + 8 simplify each of the following expressions

Mrs. Tout and Mrs. Edgar are doing some online shopping and decide to buy the same pair of shoes for $65. Mrs. Tout has a coupon for ¼ off the price and Mrs. Edgar has a coupon for 30% off. Who is going to save more money? Show your work.

If a python snake is thirty three feet and a garden snake is four inches, estimate the difference in size.