How is 5/9 -2/3 = 2/9 I got 3/9
1 answer:
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Step-by-step explanation:
THE ANSWER IS D BUT ME 8S NOT SURE
The sum of two supplementary angles is 180 degrees.
A+B=180.
80+B=180
B= 180-80
B=100
im pretty sure its
(A) y=cos x
(B) y=sec x
First we need slope


Put D co-ordinates on y=mx+b




Now
slope intercept form.

Answer:
128
Step-by-step explanation:
180 - 52