Use substitution to solve the linear system of equations.

x = 4

-y = 1/2x

(4, - 2)

(-2, 4)

(4, 2)

(2, - 4)

Mariana had a $20 gift card to an online music store. she spent the entire amount on songs, which cost $1 each, and music videos, which cost $2 each. Mariana bought five more songs than music videos.

On a given day at a local amusement park, 77% of those in attendance rode the roller coaster. There were 1,200 people at the park that day. How many people rode the roller coaster? 52 people 276 people 924 people 1,148 people

Round 19.3 to the nearest whole number

Solve for n. - 3n 9 5n = - 17 a. - 26 b. - 13 c. 13 d. 26

In a live concert, 425 boys and 300 girls participated. Find the ratio of boys to girls.

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.