Answer:
5 laps
Step-by-step explanation:
30 ÷ 6 = n
n=5
here you go
35+a+b+c=270
35+a=90
a+b=180
35+90+c=180
19
True
x² - 5x + 4
note that (p - q)(x) = p(x) - q(x), thus
p(x) - q(x)
= x² - 1 - 5(x - 1) ← distribute parenthesis by - 5
= x² - 1 - 5x + 5 ← collect like terms
= x² - 5x + 4
