20:12 in simplest ratios

Kevin bought 5 tickets to a concert for $ 115. How much will it cost for 8 tickets to the concert if all tickets have the same unit price?

He walks 7.5 miles in 3 hours. What is his speed?

The average height of students in Sarah's class is 148cm with a standard deviation of 10cm. In Angela's class, the average height of students is 152cm with a standard deviation of 7cm. Whose class has more consistent heightsand why

Tony read 22 pages in the morning and 28 in the afternoon for 5 days. lois read 47 pages each day for 5. explain how to use the distributive property to find out how many pages each of them read

What is the answer to this equation 5X + 4 = 49

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.