Which expression is equivalent to 20 + 64

Last summer, KarlKarl went to the beach every 5 days. Antonia went to the beach every 3 days. How often did they see each other at the beach?

total of 420 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold. How many adult tickets were sold?

What is the volume of a cube with a width of 1 1/2 and a length of 2 1/2 and a height of 4 inches

And I don't know is selling for $72 is reduced to $54 find the percent decrease in price

Valerie needs 2/3 yard of fabric to make each hat for the school play. Write and solve an equation to find how many hats she can make with 6 yards of fabric.

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.