exam Maths Puzzle Numerical Ability

An airline reports that it has been experiencing 15% rate of no-shows on advanced reservations. Among 150 advanced reservations, find the probability that there will be fewer than

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exam Other Question

(Use 6 steps)
Given: angle A and angle B, and Angle c and angle D are complementary angles.
measure of angle B = measure of angle D
Prove: angle a is congruent to angle C.

Pl factor by grouping:

5x^3 - 10x^2 - 25x^2 + 50x