Find the following. Assume that letters can represent any real number.
A. 
B. 2a + b
C. 
D. 
Answer: B
Mathematics
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For the region R, find the horizontal line y = k that divides R into two subregions of equal area.R is the region bounded by y = 4 - 
and the x-axis.
A. k = 1 - 2
B. k = 4 - 
C. k = 4 + 2
D. k = 4 - 2
Mathematics
Use scientific notation to perform the following operations. Leave your answer in scientific notation.(3.3 × 1028) ÷ (1.1 × 10-26)
A. 3.3 × 1054 B. 3 × 102 C. 3 × 1054 D. 3.3 × 102
Mathematics
Find the specified quantity.Find the period of y = -2 sin 
.
A. 3?
B. 2?
C. 
D. 6?
Mathematics
Find the slope of the line.
A. 2
B. - 
C. - 2
D. 
Mathematics