Answer:
the answer is C.815+(-97)
Step-by-step explanation:
0.15 * 60 = 9 or 15/100 * 60/1 = 900/100 = 9
45
1. Area = 1/2 B(base) x H(height)
2. Area = 1/2 9 x 10
3. Area = 1/2 90
4. Area = 45 inches
Answer: 40%
Step-by-step explanation:
Given,
Initial mass = 6.5kg
final mass = 3.9kg
So, Change in mass = initial mass - final mass
= 6.5 - 3.9
= 2.6 kg
and,
Change in percentage of mass = 
Change in percentage of mass = 
= 40