A shipping company will ship a package for $7.50 when the volume is no more than 15,000 cm3. Grace needs to ship a package that is 3x –5 cm long, 2x cm wide, and x + 20 cm tall. a)Write a polynomial equation to represent the situation.

b)Write and solve a system of equations.

c)What should the dimensions of the package be to have the maximum volume?

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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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)

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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b. f(x) = –√x + 3this is the correct answer