Evaluate.
, when y = -24 and z = 4
A. -6
B. 4
C. 6
D. -4
Answer: A
Mathematics
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Perform the indicated operation and write your answer in standard form.(7 - 7i)(3 - 7i)
A. 49i2 - 70i + 21 B. -28 - 70i C. -28 + 70i D. 70 + 28i
Mathematics
Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = 
, r = 3
A. 
, 
, 
, 
, 
, 
B. 
, 
, 
, 
, 
, 
C. 
, 
, 
, 
, 
, 
D. 
, 
, 
, 
, 
, 
Mathematics
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m B. 21 + m C. 21 + 7m D. 21 + 3m
Mathematics
Find a formula for the inverse of the function described below.A size 4 dress in Country C is size 44 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x - 40
B. f-1(x) = 
C. f-1(x) = x + 40
D. f-1(x) = 
Mathematics