Answer:
36
Step-by-step explanation:
Answer: 
Step-by-step explanation:
1) Move all terms to the left: 
2) Add all the numbers together, and all the variables: 
3) Move all terms containing r to the left, all other terms to the right: 


Answer:
D
Step-by-step explanation:
You can put the points in as the x and y values. 12(2)-(-1)=25 and 9(2)+(-1)=17
For this specific problem, this would be the solution:
<span><span>= 0.7(133) + 0.8(133) - 2(0.4[133]) </span><span>
<span>= 93 +
106 - 2(53) </span>
<span>= 199 -
106 </span>
<span>= 93 </span></span></span>
This means 93 students passed in both the subjects. I am hoping that
this answer has satisfied your query about and it will be able to help you.