Solve the problem.A game involves choosing 5 different numbers from the numbers 1 through 13.In how many ways can this be done?
A. 154,440
B. 1295
C. 1267
D. 1287
Answer: D
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The following table gives the weight in ounces of the eight Alaskan Malamute puppies born to Justin and Misty on December 28, 2007:
What is the average weight of the female (F) puppies born?
A. 4
oz
B. 20
oz
C. 9
oz
D. 7
oz
Solve the proportion. Round the solution to the given place value.
= 
; hundredths place
A. 253.33 B. 12.83 C. 0.08 D. 6.32
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."3x2 - 18x + 24
A. prime B. 3(x - 8)(x + 1) C. 3(x - 4)(x - 2) D. (x - 4)(3x - 6)
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 40.50 years B. 45.03 years. C. 4.50 years D. 450.25 years