Verify the identity.

cos 4x + cos 2x = 2 - 2 sin2 2x - 2 sin2 x

My decimal is seven tenths greater than 46%, what is my decimal?

Micah saves $6 on a pair of $40 pants. what percent did she save?

Hey Siri sleeps 25% of the day how many minutes is She awake

Of 50 people, 38 have brown hair, 29 have brown eyes, and 23 have both brown hair and brown eyes. how many have neither brown hair nor brown eyes? A) 6 C) 10 B) 8 D) 12

What is 1/30 as a decimal

Park Rangers are counting the deer population in a state park. They divide the park into sections that are each 324 square feet. The width of each section is 12 feet. What is the perimeter of each section of the park?

Thu wants to play "guess my number". she states,"when I triple my number and add five, I get twenty-six. What's my number?" what is her number?

What is the mean absolute deviation for the data set 10, 20, 5, 5?

Which of the following is true regarding the sequence below? 7/12, 1/6, - 1/4, 2/3 A. The sequence is arithmetic because there is a common difference of - 5/12 B. The sequence is arithmetic because there is a common difference of 1. C.

On Friday a local hamburger shop sold a combined total of 564 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold?