Solve the system using substitution.

X+Y=8

Y=3X

A. (4,12)

B. (2,6)

C. (1/2, 3/2)

D. (-4,-12)

A park is represented on a map with the following vertices coordinates: Vertex 1 is at (-4, - 1) (-4, - 1). Vertex 2 is at (-4, 5) (-4, 5) . Vertex 3 is at (2, 5) (2, 5). Vertex 4 is at (2, - 1) (2, - 1).

It takes 39 pounds of seeds to completely plant a 6-acre field. How many acres can be planted per pound of seed?

Shawna rented a bike from bike barn. It cost 14$ plus 3$ an hour. If Shawna paid 32$ then she rented the bike for how many hours? Write an equation, then solve for the number of hours.

Examine the problem below in order to calculate the value of b. 18b = 1134

14,563.98 in word form

A car travels 288 miles in 4 hours and 30 minutes. How many miles does it travel per hour?

Like terms 4x + 2x + 7x

Determine whether quantities vary directly or inversely and find the constant of variation. A rectangle has length 72 cm and width 56 cm. The other rectangle has the same area as this one, but its width is 21 cm. Find its length.

Mario and Bowser begin with a hat that has 5 balls in it: 3 are red, 2 are green. Bowser secretly picks a ball and tells Mario it is red, although he might be lying about the color.

The greatest amount of money kiara has to spend $20. she wants to buy a book for $12 and spend the remaining money on name tags for her luggage. Each name tag $12 cost $2. how many number of tags, x, kiara can buy for her luggage?