Are these ratios equivalent? 0.42: 42 and 0.18: 1.8

Yes or no

To the nearest whole degree, what angle measure has a cosine of 0.6725

Hannah is driving 680 miles from Nashville to Orlando. If she has 306 miles left to drive, what percent of the trip has she driven?

How do you write 90% as a mixed number

Evalute 8x - 5 when x = 4

3x+15-7x=-7 solve for x

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.