It depends on what level of classes you take, but algebra classes in college do tend to be harder than algebra classes in high school or middle school.
The percentage increase; you'll need to take the new value and subtract it by the old value.
16 - 13 = 3
Next, you'll divide 3 by the original value.
3 ÷ 13 = 0.23
And multiply by 100
The percentage increase of friends is 23%
X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36
Answer:
Correlation Coefficient
Step-by-step explanation:
Correlation Coefficient: The correlation coefficient is a numerical measure that measures the strength and direction of a linear relationship between two quantitative variables.
Answer:-0.2
Step-by-step explanation:
Ask Siri lol