Given that the 5th term of an arithmetic sequence is 30 and the 7th term is 44 , find the first term.
What will be an ideal response?
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Find the value of each square root by use of a calculator. Each number is approximate.
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A. 0.0861 B. 0.0629 C. 0.0754 D. 0.0736
Find the indicated probability.You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a two shows on at least one of the dice. Find P(F) and P(F?E).
A. P(F) = 
, P(F?E) = 
B. P(F) = 
, P(F?E) = 
C. P(F) = 
, P(F?E) = 
D. P(F) = 
, P(F?E) = 
Prove the identity.cos 4x = 1 - 2 sin2 2x
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Solve the problem.The ratio of the distances a pitching wedge and an 8-iron will drive a golf ball is 4 to 5. If a golfer averages 92 yards with a pitching wedge, how far should she average with an 8-iron?
A. 101 yd B. 83 yd C. 74 yd D. 115 yd