Answer:

Step-by-step explanation:
The irregular polygon is made of a large rectangle with two smaller rectangles cut out of it. Therefore, we can find the area of the large rectangle and subtract these two smaller rectangles:
.
In the division a/b, a is the dividend, and b is the divisor.
In this problem, 2/3 is the dividend, and 4/5 is the divisor.
She needed to multiply the dividend, 2/3, by the reciprocal of the divisor, 5/4.
Instead, she multiplied the dividend by the divisor without using the reciprocal.
Answer: second choice
Answer:
the answer is V≈769.3cm³
Step-by-step explanation:
Answer:
(x=0) is the homogeneous mixture