12 tenths plus 9 tenths

Sofia chose a fruit cup and a salad as the dishes with her lunch everyday for 12 days. Each fruit cup cost $0.50. Each salad cost $1.75. What was the total cost of Sofia's side dishes for 12 days? A. $21.00 B. $6.00 C. $27.00 D. $15.00

Evaluate the function when x = - 3: f (x) = 6x + 5

What are the factors of 14 and the prime number

Dario bought a new bike for $90 so tax is 5 1/2 how much tax does he have to pay how much is his total bill

Santana wants to give one-thenths of all his marbles plus eight to his brother. Which expression can Santana use to calculate how many of his total marbles (m) he wants to give to his brother

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.