Add the integers.-15 + (-20)
A. -36
B. -5
C. -35
D. 35
Answer: C
Mathematics
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Approximate the area of the triangle to the nearest tenth.? = 25°20', ? = 95°40', b = 19.9
A. 196.8 B. 93.4 C. 201.8 D. 98.4
Mathematics
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics
Simplify.
A. 
B. 
C. 
D. 35y(y + 7)
Mathematics
Give the domain and range of the function.f(x) = 
x2
A. Domain: (-?, ?); range: (-?, ?)
B. Domain: (-?, ?); range: (0, ?)
C. Domain: 
; range: (-?, 0)
D. Domain: (-?, ?); range: (-?, 0)
Mathematics