Can someone help me with all of them if you help me I will give you braieiest and I already have one done

Step-by-step explanation:

Area of figure 2:

=Figure 1 + Figure 2

=13*2 + 1/2(5)(2)

=26+5

=31

Area of figure 3:

=Figure 1 + Figure 2

=6*8 + 3*2

=48+6

=54

Area of Figure 4:

=Figure 1 + Figure 2

=1/2(20)(7) +20*7

=70+140

=210

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation: