Find the percentage of data items in a normal distribution that lie between the given z-scores.z = 0.7 and z = 1.4
A. 16.12%
B. 75.8%
C. 24.2%
D. 91.92%
Answer: A
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Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 140
B. 
C. 
D. 
Factor the polynomial.4x2 + 12x + 9
A. (2x - 3)(2x - 3) B. (4x + 3)(x + 3) C. (2x + 3)(2x + 3) D. prime
Solve the problem.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 1290 tickets. Also, they have sold 4 times as many adult tickets as children's tickets. How many adult tickets have they sold?
A. 1025 B. 1038 C. 1029 D. 1032
Factor the trinomial completely.16x2 - 40x + 25
A. (4x + 5)2 B. (4x - 5)2 C. (4x - 5)(4x + 5) D. (16x + 1)(x + 25)