A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 3
A. 3.5 ft
B. 3.94664 ft
C. 2.59378 ft
D. 2.14706 ft
Answer: C
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Solve the equation after making an appropriate substitution.(3x - 6)2 - 3(3x - 6) - 28 = 0
A. 
B. 
C. 
D. 
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Establish the identity.cot(x + y) cot(x - y) = 
What will be an ideal response?
The longer leg of a right triangle is 2 centimeters longer than twice its shorter leg. The hypotenuse is 1 centimeter longer than longer leg. Find the dimensions of the lengths of the triangle.
A. 3 cm, 4 cm, 5 cm B. 2 cm, 5 cm, 10 cm C. 10 cm, 17 cm, 18 cm D. 5 cm, 12 cm, 13 cm