Answer:
B.
Step-by-step explanation:
answer B is correct for Plato users!!!!
Answer:
[83, 100]
Step-by-step explanation:
Lowest score to get a B is 80
Total 4 tests, to get at least a B : 80 x 4 = 320
Total 3 test scores = 81 + 62 + 94 = 237
So the fourth test to get at least a B: 320 -237 = 83
Answer [83, 100]
15n-18. This is 3(5n-6) because 3 times 5n is 15n and 3 times 6 is 18.
