Step-by-step explanation:
A. D(t) = -25t + 160
this is the correct answer because if you substitute 3 you get 85
Answer:
the shorter piece is 11 inches long
Step-by-step explanation:
x+2x=33in
3x=33in
33/3 = 11 =x
Use distributive property a(b + c) = ab + ac.

Answer:
A
Step-by-step explanation:
A is a triangular prism
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