90 - 40 = 50
Complementary angles add up to 90 degrees.
If one angle is 40 degrees less than the other, you just put it into an equation where 40 is subtracted from 90.
The answer would then be 50 degrees.
Given:
One lap around a parking lot = 3/10 mile
3/10 mile is 15% of the total distance Gregory ran.
To determine the total distance (in mile) that Gregory ran, we refer to the given percentage:
3/10 mile / 0.15 = 2 miles
The total distance that Gregory ran is 2 miles. <span />
The answer is either c or d hope this helped lol

When your raising a negative number by the 4th power the (-) sign will be removed
1/6 is 3 times smaller than 1/2. 1/2÷3=1/2×1/3=1/6