Answer:
8/21
Step-by-step explanation:
1- 2/7 - 1/3 = 21/21 - 6/21 - 7/21 = 8/21
Answer:
Nope
Step-by-step explanation:
Standard form for a linear equation in two variables is
with the terms containing x and y on the left side of the equation and a number on the right side.

Subtract 3 from both sides.

Add 5y.

Answer:
D and C
Step-by-step explanation:
any line that is convergent, no divergent lines, and intersecting lines.
Answer:
120
Step-by-step explanation:
Angles opposite to equal sides are equal .
30 + 30 + x = 180 {Angle sum property of triangle}
60 + x = 180
x = 180 - 60
x = 120