Answer:
3
Step-by-step explanation:
3√-1 = √9*-1= √-9 = 3 bcuase its always positive
a) x+1+x+1+x+1+x+1=56 x=6.5
b) 2(6.5)+1=14cm
Less than
55 C + 13 is definitely less than 75 C + 39.