Answer:
x
^2/
6
--------------------------------------------------------------------------
X= 1 .........................
Answer:
-7/2
Step-by-step explanation:
Answer:
92
Step-by-step explanation:
let 'q' = score on last quiz
<u> 70 + 75 + 83 + 80 + q </u> ≥ 80
5
cross-multiply:
308 + q ≥ 5(80)
308 + q ≥ 400
q ≥ 92