Answer:
x = 5
Step-by-step explanation:
3x + 10x =65
13x = 65
/13 /13
------------------
x = 5
Answer:
8/45
Step-by-step explanation:
1x8 is 8 and 5x9 is 45
Answer:
D
Step-by-step explanation:
We know that if angles x and y are complementary, then sin(x)=cos(y).
This means the measures of the angles have to add to 90 degrees, which is satisfied by the fourth option.
I believe the answer is C
Answer:
B = 80
Step-by-step explanation:
