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.
Answer:
19 %
Step-by-step explanation:
589 is what percetage of 3100?
589 / 3100 * 100 % = 19%
She packed 3 layesr hope this helps
Answer: 28%
Step-by-step explanation:
1800/2500 = 0.72
0.72 = 72%
100% - 72% = 28%