Find the slope of the equation 4x-5y=20

A. 4/5

B. 5/4

C.-4/5

D. 4

A building casts a shadow 40 ft long when the sun's angle of elevation is 58 degrees. find the height of the building

99^3 using cubes of sum and difference

Julio and his sister bought 8 books and m magazines for $1 each, and then they split the cost. The amount of money that Julio spent is represented by the expression 1/2 (m+8). Does the number of books purchased affect the value of m?

What is the square root of 4664

Line Plots 1/8 = 1 x 2/8 = 3 x 3/8 = 4 x 4/8 = 5 x 5/8 = 6x 6/8 = 0 x 7/8 = 0 x 8/8 = 1 x What is the total amount of time those students watched TV altogether

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.