Avial of medicine contains 76 fluid ounces of medicine. if one dose consists of 2 fluid ounces how many doses does the vial contain?

Answer this question only if you know the answer! 30 points and

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.