15 minutes is 25% of an hour. You can tell this because there are exactly 4 15 minute periods in one hour.
Hope this helped.
Answer:

Step-by-step explanation:
Use the distributive property of equality to multiply and get:

Simplify by combining like terms to get your end result:

Answer:
GCF is 2
Step-by-step explanation:
Factoring 34 leaves only 2 and 17.
90 is not divisible by 17 thus the GCF is 2.
Answer:A positive correlation is a relationship between two variables such that their values increase or decrease together.
Step-by-step explanation:
Alrighty.
First we need to make them all simplified.
So simplified would be

times

times

.
Then we multiply the numerator and the denominator. The final answer is

Simplified is