How many ounces of a 30% alcohol solution and a 39% alcohol solution must be combined to obtain 45 ounces of a 38% solution?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2