Answer:
15
Step-by-step explanation:
If you got 35 on a test right, then you 15 wrong making you 70% which is a C-.
Brainliest?? Please? There are 50 total.
The reference angle is the positive angle formed by the terminal side of the angle and x-axis:
7 π / 6 = 210° = 180° + 30°
Answer: The reference angle is 30°.
X=y-7
x=2-8y
both equal x so
subsitute y-7 for x in other equaton
y-7=2-8y
add 8y
9y-7=2
add 7
9y=9
divide 9
y=1
sub back
x=y-7
x=1-7
x=-6
(x,y)
(-6,1)