A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.C = 2?r; C = 37.68, ? = 3.14
A. 40.82
B. 236.63
C. 6
D. 12
Answer: C
Mathematics
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Which method should be used to solve the system? Explain your answer, including a description of the first step.x2 + y2 = 9-6x + y = 5
What will be an ideal response?
Mathematics
Solve and check.
= 
A. 
B. No solution
C. 11
D. 
Mathematics
Multiply the monomial and the polynomial. Assume any variable exponents represent whole numbers.4xn
A. 8x4n + 12x2n + 1xn B. 8x4n + 12xn + 1xn + 1 C. 8x4n + 12x2n + 1xn + 1 D. 8x4n - 12x2n - 1xn + 1
Mathematics
If y varies inversely as x, find the inverse variation equation for the situation.y = 7 when x = 6
A. y = 
x
B. y = 
C. y = 
D. y = 
Mathematics