Can some factor these for me?

a2 - 9a + 20

9 - 6a - 24a2

A television station would like to measure the ability of its weather forecaster. Past data have been collected that indicate the following: Probability of sunshine on sunny days is 0.8 Probability of sunshine on rainy days is 0.

What is 3 (5+w) in its equivalent form and in distributive property

PJ is decorating pupcakes for Rocky's birthday party. Her color scheme is black, purple, and green. She will use this spinner to determine the color of sprinkles on each pup cake.

niki is decorating a rectangular dining table for a party. The length of the table is 8 feet and the width is 6 feet. Niki put a ribbion diagonally across the tble. what is the length of the ribbion in feet

At the store 8 batterys cost 10 dollars, how much do 6 battery cost

3x - 7y = 5 9y = 5x + 5

Elyse has earned scores of 87, 91, 90, and 85 on her first four math tests. If she wants to have a mean of 90, what must she earn on the fifth test?

How many balls each of radius 2cm can be made from a solid sphere of lead of radius 8cm

Delia spent 45 minutes working on her book report she finished at 6:10 p. m. at what time did delia start working on her paper

Mr. Sands drove 15 miles to the airport. When he was 3/5 of the way, he stopped for gasoline. How far did Mr. Sands drive before he stopped for gasoline?