Simplify.3x6(11x2 + 10)
A. 63x6
B. 33x8 + 30x6
C. 33x2 + 30
D. 33x8 + 10
Answer: B
Mathematics
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Solve and simplify.
? x = 171
A. 23 B. 385 C. 171 D. 76
Mathematics
Write an inequality to describe the situation.The number of people n at the concert is less than 4229.
A. n > 4229 B. n < 4229 C. n ? 4229 D. n ? 4229
Mathematics
Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 5 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
A. 1.6 ft B. 4 ft C. 0.8 ft D. 3.2 ft
Mathematics
Solve the problem.Check whether the sequence is arithmetic. If the sequence is arithmetic, find the common difference d.5, -15, 45, -135, 405, . . .
A. arithmetic; d = -10 B. not arithmetic
Mathematics