Answer: 
Step-by-step explanation:
Sine uses the ratio,
so we can plug in the information we know. since there is no current value for the opposite side of angle A, we can just use a variable to replace it.

You can't reduce this any further because there is an unknown variable.
Answer:
2×5×7²
Step-by-step explanation:
You will start by using the factor tree.
490
^
2 245
^
5 49
^
7 7
3/6 or 1/2
could please check out my questions? thx!
Answer:
Mean: 8.25
Step-by-step explanation:
*I used a calculator*