Answer:
5*7
Step-by-step explanation:
5 is prime because it has only 2 factors: 1 and itself.
7 is prime because it has only 2 factors: 1 and itself.
I hope it helps you!:-)
Answer:
4:25
Step-by-step explanation:
Given that,
r₁ = 15 inches, r₂ = 6 inches
The area of the cylinder is given by :

The ratio of surface areas of two cylinders,

Hence, the required ratio is 4:25.
Answer:
C
Step-by-step explanation:
well, 6.2% of 4,300 can't be over half. she has made a calculation error, and the real answer is (this is where the mistake was made) 4,300 * 0.062 (not 6.2, because percents are always divided by 100 to make them into a usable number), which is equal to $266.60.