6a^2b^2 - 12ab^2 - 18b^3

6b^2 (a^2 - 2a -3b)

Step-by-step explanation:

Hope this helps

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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175

step-by-step explanation:

2 inches x 10 miles = 200 miles - 3 inches = 175