Answer:
24
Step-by-step explanation:
23+4⋅2−7
PEMDAS
Multiply first
23+8−7
Add and subtract from left to right
31-7
24
As a fraction,
35/42, simplified, 5/6
answer=5/6
hope this helps....
First you need to know the definition of a complementary angle. That means that two angles add up to 90 degrees, or a right angle.
To find an angle complementary to a 78 degree angle, you need to subtract 78 from 90.
90 - 78 = 12
Increase = 14
Total =50
Percentage increase = 14/50 x 100 = 28%