Find the slope of the line. If the slope is undefined, state this.
A.
B. 2
C. -2
D. -
Answer: A
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Provide an appropriate response.A community of deer begins with an initial population of 1000 and grows 2.3% per year. Find the doubling time of the population. Round to the nearest year.
A. 30 years B. 87 years C. 1 year D. 13 years
Solve the problem.A chemist has two solutions that contain different concentrations of a certain acid. One is a 4% concentration and the other is an 11% concentration. How many cubic centimeters of each should the chemist mix to obtain 50 cm3 of a solution with an acid concentration of ?
A. 24 cc of the 4% solution and 26 cc of the 11% solution B. 26 cc of the 4% solution and 24 cc of the 11% solution C. 25 cc of the 4% solution and 25 cc of the 11% solution D. No solution
Find a so that the statement is true.
A. 5 B. 3 C. 4 D. 2 E. 0
Multiply. Simplify by combining like terms.(a + 0.9b)2
A. a2 + 1.8ab + 0.81b2 B. 2a2 + 1.8b2 C. a2 + 0.81ab + 0.81b2 D. a2 + 0.81b2