Guide Questions: 1. How students have age between 12 and 14?

2. How many 14-year-old grade 7 students do there? ​

2. There are 5 students 14 years old 7 grade

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

coins of silver or gold

step-by-step explanation: