150 students took part in a quiz. there are twice as many girls as boys in the school: (a) how many girls were there? (b) how many were boys?

What's collecting mean in algebra

What is 1/5 divided by 2

D^2 - 4d = 3d Solve each equation. Factor and use the zero product property to solve. Show all work algebraically.

What digit is in the millions place in 808,715,710

A sign says that the price marked on all music equipment is 30% off the original price. You buy an electric guitar for the sale price of $315. a. What is the original price? b. How much money did you save off the original price of the guitar? c.

The mean finish time for a yearly amateur auto race was 186.37 minutes with a standard deviation of 0.323 minute. the winning car, driven by ted , finished in 185.82 minutes. the previous year's race had a mean finishing time of 112.

The figure shows triangle ABC with medians AF, BD, and CE. Segment AF is extended to H in such a way that segment GH is congruent to segment AG. Which conclusion can be made based on the given conditions? -Segment GF is congruent to segment EG.

In a election 210 people voted if there were 1260 possible voters what is the ratio of to nonvoters

A group of 25 sixth graders, 40% of them said they had never visited another state. How many students said they had never visited another state?

Ashton needs $120.00 but only has 60% saved. how much more money does ashton need?