15 is what i got hope it works
Answer:
laa primera a 1.0 y la otra 6.9
Answer:
it is true
Step-by-step explanation:
i just did it
Answer:
De=20
EF= positive 3
DF= positive 14
Step-by-step explanation:
Im currently working on these types of equations and I hope this helps! :)
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.