Is the equation A = 21000 (1 -.12) ^t a model of exponential growth or exponential decay, and what is the rate (percent) of change per time period?

How to determine the domain and range of a function?

Finding Side Lengths in a Right Triangle What is the value of s? units

3.48 as mixed number in simplest form

Pete got a tax refund check in the amount of $132.74. How should he endorse this check to make sure no one is able to cash it, if it were to get lost?

A box contains blue, red, and green pens. 25% of the pens are green and 35% are red. 48 blue pens cannot be used, but the remaining 40% of the blue pens are usable How many blue pens are there? How many pens are there altogether in the box

Ginger takes 10 nickels to buy some pencils at the school store. How many cents does ginger have to spend?

How to solve the problem 6:8.94

Simplifying Ratios 20:10 30:36 54:12

Write an equation Alice Barbara and Carol or sisters Alice is three years younger than Barbara and Barbara is five years younger than Carol together the sisters are 68 years old how old is Barbara let b equal Barbara

There are three options for fans purchasing a band's new release CD. They can purchase the CD, a premium CD bundle, or a deluxe CD bundle. A CD costs $15. A deluxe CD bundle costs the same as one CD and 2 premium CD bundles.