Which matrix is equal to C-B?

What is the equation of the graph below in vertex form, y=a (x - h) 2 + k? Using complete sentences, explain how you developed your equation.

What is the answer to 9/10-2/5

2 less than a product a number and 8

Enrico install the drain pipe that runs a horizontal distance of 172 inches and drops 6 inches from the horizontal is the slope of this pipe acceptable

A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes.

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.