Use the quadratic formula to solve 3y^2-9y-30=0

20 pts

The sum of 3 and 5 divided by z (numerical expression)

Simplify the expression 4x^3 2x^3

Which of the following is true about the measure of segment EF?

Simplify the expression (12x^2y^-2) ^5 (4xy^-3) ^-7

6) The amount of Jen's monthly phone bill is normally distributed with a mean of $70 and a standard deviation of $10. What percentage of her phone bills are between $40 and $100? A) 68.26% B) 99.99% C) 95.

Find the volume of the solid. 6 cm 8cm 15 cm

For a machine, the output force is 20 N, and the output distance is 4 m. Which must be true about the work input? A. It equals 80 J. B. It must be greater than 80 J. C. It must be less than 80 J.

Which sentence correctly uses commas? A) She shouted "Go team," before getting up from her seat. B) She shouted "Go team!" before getting up, from her seat. C) She shouted, "Go team!" before getting up from her seat.

A telephone company charges $4.95 per month for long distance calls plus $0.05 per minute. the monthly cost c of long distance calls can be described by the equation c = 0.05m + 4.

Use a calculator to find an approximate solution to the equation. 7ln (x + 2.8) = 11.2