Answer:
12.5%
Step-by-step explanation:
80 - 70 = 10
10 / 80 = 0.125
Convert decimal to percent.
0.125 = 12.5%
The angle of the triangle would be 72
Answer:

Step-by-step explanation:
convert mixed number to improper fractions
3
=

apply the fraction rule:

multiply the numbers

Answer:
4i√5
Step-by-step explanation:

I think that product means to multiply so if this is true than the answer would be:
5/8 × 2/3 = 10/24
Simplified to:
5/12