Match the system of inequalities with the appropriate graph.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Factor the expression completely.A silo is in the shape of a hemisphere atop a cylinder. The formula for its volume is 
A. 
r2(h + r)
B. ?r2(h + 
r3)
C. ?r2(h + 
r)
D. r2(h + 
r)
Mathematics
Calculate the arc length of the indicated portion of the curve r(t).r(t) = 3ti + 
j + 
k; -4? t ? 7
A. 75 B. 275 C. 15 D. 55
Mathematics
Convert the degree measure to radians. Leave answer as a multiple of ?.1800°
A. 20?
B. 
C. 10?
D. 
Mathematics
Round the whole number to the given place value.697,658 to the nearest ten thousand
A. 700,000 B. 697,000 C. 690,000 D. 800,000
Mathematics