What is the value of expression?

5-8 • 5-4

Adam got 56 correct out of 84 on his test. What fraction did he get wrong. Give your answer in the simplest form.

Two spinners that have sections numbered 1 through 5 are spun at the same time. Then, the numbers are added together. What is the total number of possible sums?

1.25, 1 3 / 4, 1.25 with thing on top of 5. And 1 1/5 least to greatest

Felix says that 2,000 + 400 + 70 is another way to write 2,407. What is Felix's error

Write 75,000 in scientific notation. A. 75.000 x 104 B. 7.5 x 103 C. 7.5 x 104 D. 7.5 x 105

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.