Answer:
Y=5x
Step-by-step explanation:
The first the options aren’t even whole numbers
Answer:
x=6
Step-by-step explanation:
X will equal 10 and y will equal 7
Answer:
Step-by-step explanation:
It’s going to be 42 inches and 40 inches because we are simplifying
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.