7a = 63
Inverse operation
7a/7 = 63/7
a= 63/7
a= 9
Answer: a = 9
Answer:
sum of angles in a triangle = 180°
180-(90+21)
= 69
pls am I correct
<span>The horizontal axis in the coordinate plane is called the x-axis. The vertical axis is called the y-axis. The point at which the two axes intersect is called the origin. The origin is at 0 on the x-axis and 0 on the y-<span>axis</span></span>
Answer:
8
Step-by-step explanation:
Answer:
n>3
Step-by-step explanation:
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