The mean ages with standard deviations of four swim teams at a swim club are given below. Team
Stars
Dolphins
Giants
Mackerels
Mean
16
18
14
15
Standard Deviation
4.1
1.5
0.3
2.3
Which statement is most likely to be true?
The ages of the Mackerels are the most dispersed from the team's mean
The ages of the Stars are the most dispersed from the team's mean
The ages of the Dolphins are the most dispersed from the team's mean
The ages of the Giants are the most dispersed from the team's mean

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

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step-by-step explanation:

i used the pitagoras theoreme

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )