Mixture problem a mixture of 16% disinfectant is to be made from 20% and 14% solutions.
how much of each should be used if 15 gallons of the 16% solution are needed?

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?