Answer:
28
Step-by-step explanation:
x = 2 point questions, y = 3 point questions
x + y = 40
2x + 3y = 92
Solving this we get x = 28, y = 12 so the answer is 28.
Answer:
63
Step-by-step explanation:
Just subtract 26 from 89.
Answer:
3 38/105 is the answer in mixed number form
Answer:

Step-by-step explanation:
<u>Solving</u> :
⇒ log y = log (x²)
⇒ log y = 2 log x
⇒ 
⇒ 