What are families of functions and how are they useful?

How to write the solution in unit form and in standard form of 10x3 tens

A number is increased by 20% and then deceased by 20%, the final value of the number.

Because of the unexpected cold weather, the cost of tomatoes increased 50 percent in one month. If the cost after the increase was 60 cent per pond, what was the cost before the increase?

Carl has 200 songs on his mp3 player of these songs 24 are country songs. what percent of carls songs are country

How many ways can 5 people be seated in a line of chairs? A) 25 B) 120 C) 3125 D) 30240

Let x be a standard normal random variable. find p (-1.20 < x < 1.74). express your answer as a decimal.

To estimate the annual salary for a given hourly pay rate, multiply by 2 and insert "000" at the end. Sample: $10 per hour is about $20,000 per year. Explain why this works. Assume the person is working 40 hours a week:

Sal and Jen went to the store together, and each bought the same car stereo. Sal used a card to make the purchase, and the full amount was immediately withdrawn from his bank account.

If a circle has a radius of 1 and a sector defined by a 37 degree arc, what is the area, in cm2, of the sector? Round your answer to the nearest tenth

If the measure of a central angle is 28°, then to find the measure of its arc, you would need to do which of the following? A. Nothing, they are equal. B. Multiply the angle measure by 2. C. Divide the angle measure by 2.