According to a study of Western-built commercial jets involved in crashes during ten years, the percent of airplane crashes that occur at each stage of flight are as follows:
If one of the doomed flights during ten years is picked at random, what is the probability that it crashed during takeoff or landing? Round to two decimal places, if necessary, and be sure to express answer in decimal form, not as a percentage.
The probability is __________.
0.42
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Determine the antilog in base 10 of the given number. Round to four decimal places.-1.0691
A. 0.8530 B. 0.0853 C. 0.0085 D. 82.2904
Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iy about the y-axis, where r(t) = 
i + 4tj, 0 ? t ? 1; 
A. Iy = 875 B. Iy = - 875 C. Iy = 175 D. Iy = - 175
Factor completely.-15p2 + 32p - 16
A. -(3p - 4)(5p - 4) B. (-3p + 4)(-5p + 4) C. -(15p + 4)(p + 4) D. -(3p + 4)(5p + 4)
Solve the problem.Glenn and Paula want to dig an irrigation channel for their garden. Together it takes them 
to dig an appropriately sized irrigation channel. If Paula can dig the channel by herself in 
how long would it take Glenn to dig the channel by himself? Round to the nearest tenth, if necessary.
A. 1 hr B. 2.3 hr C. 4 hr D. 3.8 hr