Answer:
8a-28b+15c
Step-by-step explanation:
4(2a)+7(-4b)+(3*c*5)
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(a-4)(a-5)=a^2-9a+20
(a-10)(a-2)=a^2-12a+20
(a-4)(a+5)=a^2+a-20
(a-10)(a+2)=a^2-8a-20
The answer is 10 miles x/ 75= 1 / 7.5 7.5x = 75 x= 10 miles
Hope I helped
