How many solutions dose this linear system have y=2x-5 - 8x-4y=29

Solve the two-step equation. -9x + 0.4 = 4 Which operation must be performed to move all the constants to the right side of the equation?

If f (x) = 7 + 4 and g (x) = 1/2x, what is the value of (f/g) (5) A. 11/2 B. 27/10 C. 160 D. 270

Michael is making a backdrop for the school play. He bought 4 rolls of material to use. He used 27 square feet of material for the backdrop, and had 5 square feet of material left over. How many square feet of material, s, are in each roll?

The following data shows the weight, in pounds, of 5 boxes: 3, 1, 2, 2, 2 What is the value of the mean absolute deviation of the weight of the boxes, and what does it represent about the weight of a box? A) 0.

Connor have five times as much money as jayden. Cannor gave some money to jayden. Now they have £8.50 what amount of money jayden have at the beginning

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.