Solve the problem.A chemist needs 200 milliliters of a 69% solution but has only 58% and 78% solutions available. How many milliliters of each should be mixed to obtain the desired solution?
A. 95 ml of 58%; 110 ml of 78%
B. 110 ml of 58%; 90 ml of 78%
C. 95 ml of 58%; 105 ml of 78%
D. 90 ml of 58%; 110 ml of 78%
Answer: D
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Find the absolute value.-
A. 24.1 B. -24.1 C. 48.2 D. 0
Find the conditional probability.If a single fair die is rolled, find the probability that the number rolled is 5 given that it is odd.
A. 
B. 
C. 
D. 
Solve.In a state with a population of 2,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? Write your answer in scientific notation.
A. $1.2 × 109 B. $12 × 1010 C. $12 × 1011 D. $1.2 × 1010
Factor the expression. Express your answer so that only positive exponents occur. 10x1/7 - 13x-4/7
A. x1/7(10x5/7 - 13x5/13) B. x-4/7(10x5/7 - 13x) C. x-4/7(10x5/7 - 13) D. x1/3(10 - 13x5/13)