Answer:
120
Step-by-step explanation:
all complementary angles should add up to 180 degrees
Answer:
See explanation
Step-by-step explanation:
The question is incomplete as the required trapezoid is not given. SO, I will answer using genera rules.
The area of a trapezoid is:

Where
parallel sides

Assume that:

The formula becomes



Answer:
x = 1
y = -3
Step-by-step explanation:
if y = x - 4
then reorganise the first equation
4 (x - 4) = 9x -21
4x - 16 = 9x - 21
5 = 5x
x = 1
Answer: 18
Step-by-step explanation:
Hello There!
They're in different places the 3 in the ones place couldn't equal as much as the three in the thousands place. It all depends on where the numbers are in relation to the decimal.