Which of the following is a solution to 4cos^2x-1=0?

60°

150°

210°

330°

2 doctors is % of 25 doctors.

What is 3.45 repeating as a mixed number

3x + 2 = 14 which number makes the equation true? a) 1b) 2c) 4d) 6

A square is always a rectangle. True False

Maria got some sweet baseball cards because she loves baseball. She spent a lot of money and bought 456 cards. She then bought a book to put those cards in. She can fit 11 cards on each page. How many cards will be on the last page?

The profit of a business are RM 29,000. It is shared between two partners A & B. If A receives 9/20 of the profit, how much money does B receive?

One-third of the dairy cattle on a farm are in the barn. Three-fifths of the beef cattle are in the barn. There are 30 dairy cattle and 15 beef cattle in the barn. How many more dairy cattle are on the farm than beef cattle?

Which triangle always has three equal sides

21. Jackson played a video game for 1/6 hour. Hailey played a video game for 1/3 hour. Who played the video game for a greater amount of time? Explain.

Can someone explain what I think is "theta" and it looks like a 0 with a horizontal line through it?