Find the area of the shaded region.
A. 2
B. 2?
C. 2 + 2?
D. ?
Answer: B
Mathematics
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Find an equation of variation for the given situation.y varies directly as z, and y = 50 when z = 400.
A. y = -2z
B. y = 
z
C. y = 8z
D. y = - 
z
Mathematics
Write the fraction as a decimal. If the decimal is a repeating decimal, write using the bar notation and then round to the nearest hundredth. 
A. 0.48 B. 0.28 C. 0.255 D. 0.028
Mathematics
Solve the equation.?5m + 3? + 5 = 10
A. 
B. 
, - 
C. 
, - 
D. - 
, 
Mathematics
For the problem below, ? is a central angle in a circle of radius r. Find the length of arc s cut off by ?. ? ?= 2, r = 6 inches. ? If the answer needs rounding, round it to three significant digits. ? s = __________ inches
Fill in the blank(s) with the appropriate word(s).
Mathematics