Find the product 31x19

Ollie has $400 balance on her credit card. She pays $60 a month on the card. Does this situation have a positive or negative rate of change? explain

Which has the same solution as 2 (x+4) = - 7-3x

Cran-apple ratio of 3 to 5

What is the equation of the midline of the function f (x) = 5.6sin (2.6x - 4.2) - 9.1? y = - 9.1 y = - 4.2 y = 4.2 y = 9.1 I think it's D?

How can the following fraction 33/77 be in simplest form?

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.