A druggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other containing 40% of the chemical. How much of each mixture should he use to make 10 ounces that contain 25% of the
chemical?
If x is the amount of 10% mixture used, then which expression represents the ounces of chemical contained in it?
O 0.1x
Ох
O 10x

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Find solution of the linear equation y = 2/3x + 1/3

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events