Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.6
+ 4
- 6
A. 36
B. -306
C. 306
D. 6
Answer: A
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Use the two steps for solving a linear programming problem to solve the problem.Mrs. White wants to crochet beach hats and baby afghans for a church fund-raising bazaar. She needs 6 hours to make a hat and 3 hours to make an afghan and she has 60 hours available. She wants to make no more than 15 items and no more than 11 afghans. The bazaar will sell the hats for $19 each and the afghans for $8 each. How many of each should she make to maximize the income for the bazaar?
A. 7 hats and 8 afghans B. 11 hats and 4 afghans C. 10 hats and 5 afghans D. 5 hats and 10 afghans
Solve the problem.Assume that from 1930 to 1980, the number of deaths from lead poisoning (per 100,000 people) decreased dramatically and could be modeled by 
where x is the year. Determine when, to the nearest year, this death rate was 150 or less by graphing y = f(x) and 
in [1930, 1980, 10] by [0, 200, 25].
A. 1967 or after B. 1960 or after C. 1973 or after D. 1964 or after
Find the indicated term of the sequence.an = 2n - 3; a10
A. -10 B. 23 C. 20 D. 17
Write the number in scientific notation.263
A. 2.63 x 101 B. 2.63 x 10-1 C. 2.63 x 10-2 D. 2.63 x 102