Sin (2/theta) sin (4/theta) cos (2/theta) cos (4/theta) = ? complete identity

D. The sum of two numbers is 30 and the difference of these numbers is 6. What are the two numbers?

The are of Texas is approximately 5 times the ares of Arkansas. If the are of Arkansas is 53,178 square miles, what is the area of Texas? Solve the Equation algebraically and check the solution.

If Sophie traveled 25 feet in 3 seconds, how fast was she traveling in miles per minute (5280 feet in a mile)

The distance between two towns is 83km. Write this distance to the nearest 10?

A baby drinks 1 liter of baby formula each day. If the baby bottles each hold 200 ml, how many bottles does the baby need in a day?

Here is a set of data 3.9, 2.1, 0.8, 1.5, 4.1 A = calculate the mean B = each piece of data is increased by 5, calculate the new mean C = each piece of new data is now double, calculate the new mean

How do I turn2-1/2x=y into y=Mx+b

Two lines intersect to form angles 1, 2, 3, and 4 as given. The measure of ∠3 is 38°. What is the measure of ∠2 ?

Solve the system using linear combination. show all work. 9x+5y=35 - 2x-5y=0

A roller coaster track is 600 meters long. It takes 20 seconds to travel once around the roller coaster. Calculate the average speed of the roller coaster