Ratio 5:9 in fraction

Brenda and Michael simplify the expression, as shown below. Brenda: - 5x + (2+x) = - 5 + x + 2 = - 4x + 2 Michael: - 5x + (2 + x) = (-5x + 2) + x = - 3 + x who simplified the expression correctly?

What is x in - 3x-8y=20, - 5x+y=19

What is the answer for 13n-6p-11n=2p solve for the x

What should kevin conclude is the distance around the largest circle on the radar screen? use pi=3.14a. 28.26b. 14.13c. 63.585d. 56.52

What percent of 8 is 4

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.