Answer:
7
Step-by-step explanation:
average rate of change=∆y/∆x
=<u>2</u><u>4</u><u>-</u><u>3</u> =7
7-4
actually write it down if not i can not help you!!!
The midpoint lines are half the opposite side length.
Line DE is given as 7 , So Line F = 7 x 2 = 14
Line EF is given as 12, so Line D = 12 x 2 = 24
Line DF is given as 16, so line E = 16 x 2 = 32
The perimeter is the sum of the 3 sides:
Perimeter = 14 + 24 + 32 = 70
<span>15b^2 + 20b
=5b(3b + 4)
......................</span>
5 : 3 = 45 : 27
3/5 = 27/?
3 × 9 = 27 5 <span>× 9 = 45
5 : 3 = 45 : 27
45 boys</span>