Is the statement correct?
?
The set of primes together with the set of composites is the set of natural numbers.
?
A. yes
B. no
Answer: B
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Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. s2 - 3s - 18 < 0
A. (-3, 6)
B. (6, ?)
C. (-?, -3)
D. (-?, -3) ? (6, ?)
The size N, in thousands, of a certain animal population after t years is given in the table below. Use exponential regression to find the yearly percentage growth rate of the population. Round your answer to two decimal places. t 0 1 2 3 4 N 4.95 5.73 6.34 6.80 7.25?
A. 12.02% B. 10.52% C. 10.00% D. 9.82%
Solve the problem.Find the volume of a tent having the shape of a rectangular solid of length 14 ft, width 12 ft, and height 9 ft topped by a rectangular pyramid of the same width and length with height 3 ft. (Round to the nearest hundredth unit.)
A. 1680.0 ft3 B. 336.0 ft3 C. 168.0 ft3 D. 3024.0 ft3
Determine if the parabola whose equation is given opens upward or downward.y = 2x2 - 2x - 6
A. downward B. upward