find the area of the trapezoid by decomposing it into other shapes.
a) 25 cm?
b) 27 cm?
c) 30 cm?
d) 35 cm?

C

Step-by-step explanation:

You can decompose it into two triangles and one rectangle. The rectangle has a length of 4 and the width is 5. The area of the rectangle is 20.

The right triangle has a height of 5 and a base of 1. You multiply it to get 5 then divide by 2. The right triangle has an area of 2.5.

The left triangle has a height of 5 and a base of 3. (7cm - 4 cm) Multiply to get 15 and divide by 2. The left triangle has an area of 7.5.

Add all three up.

20 + 2.5 +7.5

30

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

answer is the third choice:

3x^5+4x^4+x^3+2x^2-10x-7=0

step-by-step explanation: