1 answer:
Answer:15b^2-5b^3+24b-16
Step-by-step explanation:
(4-b)(5b^2+5b-4)
Open the brackets
20b^2+20b-16-5b^3-5b^2+4b
Collect like terms
20b^2-5b^2-5b^3+20b+4b-16
15b^2-5b^3+24b-16
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divide both sides by -7
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a. AB=12.8km
b.BP=15.3km
c. CB=17.2km
d. angle θ=41.46°
e. PC =10.13 km
Step-by-step explanation:
Answer:
9.6miles
Step-by-step explanation:
2.4x4+9.6
Answer:
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