Answer:
1/4 or decimal : 0.25.
Step-by-step explanation:
I'm pretty sure this is right
Given:
The table of values is
Number of Students : 7 14 21 28
Number of Textbooks : 35 70 105 140
To find:
The rate of change and showing that the ratios of the two quantities are proportional and equivalent to the unit rate.
Solution:
The ratio of number of textbooks to number of students are
All the ratios of the two quantities are proportional and equivalent to the unit rate.
Let y be the number of textbooks and x be the number of students, then
Here, k=5.
Hence the rate of change is constant that is 5.
Answer:
1: 5 2: -70.98 3: C 4:A. 5:A
Step-by-step explanation:
the opposite is squared so,
square root of 4 is 2 and 2 squared is 4