Express cos^2x in terms of cos2x

Which number is not equivalent to 467%?

max lost 23 pounds while on a diet. he now weighs 184 pounds. write and solve an equation to find his initial weigh w

10+x=5 (1/5x+2) Equations with infinite and no solution

To get the shade of purple paint ordered by a client, you must mix red:blue:white in the ratio 3:5:8. How many fluid ounces of each color do you need to make 1 gallon of paint? (Remember, there are 128 fl. Oz. In a gallon.)

How do you find the constant ratio in math?

A manufacturer fills an order for 4,200 smart phones. The quality inspector selects a random of 60 phones and finds that 4 are defective. How many smart phones in the order are likely to be defective?

Easiest way to remember complete the square for the right side?

Celia is comparing two different antivirus programs. StaySafe costs $22 for the first year and $5 for each year she renews. VirusProtector costs $10 for the first year and $8 for every year she renews.

What is the value of (3a^-2b^6/2a^-1b^5) ^2 when a=3 and b=-2

What is 2/9 times 2 2/3?