Answer:
<em>Riley has 72 tokens</em>
Step-by-step explanation:
<u>System of Equations
</u>
We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

Solving for y

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

Or equivalently

Replacing y from the first equation

Operating

Simplifying


Riley has 72 tokens
Domain means the “input” which is like when u input a number in a vending machine and then the output is you getting the chips or whatever u got from imputing the number. So the answer would be C because is is asking for the front numbers in the relation or plots of points.
Answer: I cant understand what you want think you could put it in English?
Step-by-step explanation:
Answer:
0.72
Step-by-step explanation:
7.25+2.35=9.6
9.6÷100=0.096
0.096×7.5=0.72 the tax
The slope of a line that passes through each pair of points (2,2), (3,1) is (4,2), (0,2)