18 will divide into both 36 and 90 , but so 18 is the GCF
Answer:
Multiply the original price by 75% to find the sale price.
Step-by-step explanation:
100 - 25 = 75%
Answer:
i^2 = -1.
i^71=(i^70)i=(i²)^35×i=(-1)^35×i=-1×i=-i
Answer:
He added an unnecessary w and forgot to factor the 2
Step-by-step explanation:
