Answer:
let the grade points be a,b,c
a+b+c=258
b=c+10( since she noticed that on tests two and three,she scored 10 points fewer).
The identity property of addition states that a + 0 = a
Your answer is identity property of addition.
Answer:
A) The height of the water increases 2 inches per minute.
Step-by-step explanation:
Slope is the rate of change of height
m = (16 - 12)/(4 - 2) = 4/2 = 2
2 inch per min
Positive slope implies increase
Answer:
300%
Step-by-step explanation:
Given

Required
Find the percentage change in y when x decreased by 50%
First, convert to equation

Where k is the constant of proportionality
When x decreased by 50%



Expand

Substitute
for y



The percentage change is then calculated as:





<em>The percentage in y is 300%</em>
Answer:
If you mean getting lower numbers then they are nonequivalent if bigger numbers they are equivalent
Step-by-step explanation: