What is the equal of 5 tens and 13 ones

Which of the following numbers is a perfect square? 141 196 124 222

Solve by the method of elimination by using multiplication. x-y=15 4x+2y=30

What ratios are equivalent to 6:8

What is - 3/2 - 3/8 simplified? I thought it was 1 1/8 but it says it is wrong

How do you solve equations with two variables

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.