Match the equation with the statement that best describes the equation. Column A
Column B
1.
a.
= 3y + 21
y=0
A line perpendicular to
9x – 3y = 18
b. A line perpendicular to 2 = 3
2.
3.
C.
1
y = - +1
Aline parallel to - 4x + 8y = 9
d.
1
4.
a- 2y = -2
y = 57 +2
A line parallel to

Which system of linear inequalities is represented by the graph?

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?