Answer: 16.25%
Step-by-step explanation:
Change
650m = 0.65 km
Convert into percentage 0.65/ 4 x 100 = 16.25
1st one is 40
2nd is 4
3rd is 12
Answer:

Step-by-step explanation:
Two angles are Complementary when they add up to 90°.
Therefore


Your answer is
$130.90
Note: We multiply by 70/100 because of the 30% discount. 100 - 30 = 70. So we have to multiply by 70%.
Also, we multiply by 105/100 because there is 5% tax. The tax means that we have to pay more which means 100 + 5 = 105.
Hope this helped :D