Solve the quadratic by quadratic formula below

a^2-4a=21

Out of 25 students in the class, 40% are male. descriptive statistics inferential statistics

Factored version of y^2-2y-15

Round 155,016 to the nearest thousand

Pretend there are two boxes one inside the other. to find the volume between them would you find the volume of both boxes then subtract them?

What is the domain of the relation (8, - 2), (4, - 2), (-3, 2), (-5, - 3) ?

Marlon and Brent are each measuring one of their shoes their shoes measure 11 inches in all. Marlon shoes is 1 inch longer than Brents shoe how long is Brents shoe?

It takes 20 minutes for 5 people to paint 5 walls. How many minutes does it take 9 people to paint 9 walls?

Any large random sample from a group of people will be representative of the entire group. True False

What is the simplified form of the following expression? Assume y not-equals 0. RootIndex 3 StartRoot StartFraction 12 x squared Over 16 y EndFraction EndRoot StartFraction 2 (RootIndex 3 StartRoot 6 x squared y squared EndRoot) Over y EndFraction

Which is an exponential decay function? f (x) = 0.2 x f (x) = - 3.1x f (x) = 10x f (x) = - 2 (0.7) x