Verify the identity.

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

Which juice container is larger: 2l or 1 gal?

The minute hand of a clock is 3 inches long. How far does the tip of the minute hand move in 40 minutes ?

A randomly generated list of numbers from 0 to 4 is being used to simulate an event, with the numbers 3 and 4 representing a success. What is the estimated probability of a success? A. 25% B. 40% C. 75% D. 60%

Vin went fishing and caught 3 fish. The first fish weighs 1.75 pounds. The second fish weighs 2.4 pounds, and the third fish weighs 0.95 pounds. How many pounds of fish did Kevin catch?

A small transport truck can carry about 200 pounds of fruit and vegetables. How many ounces of fruit and vegetables can you carried in the truck

Write the number in standard form 4,00+300+20+9

How do you write 81,271 in words

A sheet of plywood is 3/4 in thick. how many inches of plywood are in a stock of 9 in high

Fundraiser sold tickets at fixed price for$70. A few more were sold to cover extra expenses. After selling 10 tickets, they still had net loss of$800. Let P represent net profit when they have sold 'n' tickets.

The price Regina pays to visit the vet's clinic is calculated according to the formula 20 + 50n. Here (n) is the number of times she visits him in a year. This time it was 2. What was the cost of his visit