Solve the system of equations by substitution: x=2

X+y=10

A. X=2 and y=10

B. x=2 y=4

C. X=2 and y=8

D. X=10 and y=2

What are the side lengths of a rectangle if the area is 40 sq. Ft and the perimeter is 28 ft

Suppose that, and an equation with two variables, you know the value of one of the variables. Describe a method for finding the value of the other variable using the properties of equality. Give an example to illustrate your method

Which is a composite number 21,43,29,37

A passenger on a ship dropped his camera into the ocean. If it is descending at a rate of - 4.2 meters per second, how long until it hits the bottom of the ocean, which is at - 1,875 meters?

Julie read 1/2 of a book in the morning, and she read some more at night. By the end of the day, she still had 2/5 of the book left to read. How much of the book did julie read at night?

Slop of (2,6) and (0,1)

1.4/16 what the answer

A company rents vans for a rental fee of $18.00 per day with an additional charge of $0.45 per miles that a can is driven. Write an equation the represents the cost (c) of renting a van for one day and driving (m) miles.

How do you factor out the trinomial: 6x²+14x+4

What will be the shape of the model for 10000