Step-by-step explanation:
This is what it is equal to:
9×3x=27x
9×8=72
Therefore it will be:

hope it helps!
Answer:
55 is 11% of 500.
You invested 500$
Step-by-step explanation:
Answer: dont know
Step-by-step explanation: dont know
Answer:
He must score 83 in the last test.
Step-by-step explanation:
To get a mean of 80 Terry must score a total of 4*80 = 320 over the 4 tests.
So his score for the last test must be 320 - (71 + 80 + 86)
= 320 - 237
= 83.
Answer:
this equation can't be solved we can't find the value of x n y