Answer:
Sue must score 94 on the final test to earn a B.
Step-by-step explanation:
There are five tests in total.
Sue's average on the first four tests is 84.
If after the final test, she scores X, she will have a B on average of five tests.
We have the following equation:
86 = (4 × 84 + X)/5
<=> X = 5 × 86 - 4 × 84
=> X = 94
Answer:
1
3
4
Step-by-step explanation:
Answer:
56km North of his home.
Step-by-step explanation:
30km south - 86km north
= 56km north
Answer:
-43.68
Step-by-step explanation:
2(3y-3) simplified is 6y-6
