10/8 as a whole number or mixed number

It takes Kayla 12 minutes to walk from her house to her granparents' house. She walks to and from their house twice a week. About how many minutes each week does Kayla spend walking between the two houses?

Rodney is given twi equations:x-y=11 and 2x+y=19

Write an algebraic expression 3 more than twice a number

Joanne finds a CD with 5% APR compounded annually. how much money will Joanne need to invest in this CD if she wants to have a yearly income of $35,000 when she retires? A. $850,000 B. $650,000 C. $700,000 D. $750,000

A number that cannot be expressed as a quotient of two integers; a nontermniating, nonrepeating decimal

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.