Answer. 67
Explanation 100 - x2 + 15 X = 9
100 - (9) 2 + 15
100 - 18+15
100- 33
67
Answer:
No. They are not equivalent.
Step-by-step explanation:

=> 
Therefore, 3/5 and 1/2 are not equivalent.
Hoped this helped.
Answer:

Step-by-step explanation:
I am going to do number 2 so when you subtract decimals you have to add two zeros like this 10.00 or 0.25 so now when you subtract you get $9.75
It should be 9-3x..............................