John is having a fundraiser for school selling shirts and hats. Each shirt costs $8 each and each hat is $10 each. John can not sell more than 60 hats, but needs to sell at least 100 items. He also needs to raise at least $1,000. What is a system of inequalities
that represents the situation if shirts are the domain and hats are the range?
O 102 + 8y > 1,000
2 + y 2 100
IS 60
O 83+10y 2 100
2+y > 1,000
y s 60
O 8+10y > 1,000
2+ y 100
y 60
O 10x + 8y 100
2 + y 2 1,000
2560

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.  

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8