What is 2x squared plus 7x minus 15 = 0

Leah is buying curtains for her bedroom window she wants the curtains to hang from the top of the window to the floor the window is 4 feet high the bottom of the window is 2 1/2 feet above the floor what curtain blank should Leah by

A coin is flipped 8 times. Find the probability of the event: exactly 5 heads

10/-12 simplified or reduced

Select each of the following experiments that are binomial experiments: a) Drawing 3 balls without replacement from a box that contains 10 balls, 4 of which are red and 6 are blue and observing the colors of the drawn balls.

A radioactive substance has a half-life of 10 years. a. Find the equation that describes the quantity of the substance present at time t using the continuous exponential model. b. Determine the continuous rate of decay.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign

Find the unit price for a 7-ounce box of cookies for $2.15. Find the answer to the nearest tenth of one cent

Solve and simplify '8 - y + 7y = 40