Solve for the variable.3x + 3.3 = 30.3
A. x = 9
B. x = 28
C. x = 7
D. x = 24
Answer: A
Mathematics
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?Find the volume of the following sphere: r = 6.5 cm. Use ? = 3.14 and round answer to nearest hundredth.
A. ?1,766.25 cm B. ?1,766.25 cm2 C. ?1,766.25 cm3 D. ?1,324.69 cm3 E. ?1,324.69 cm2
Mathematics
Decide if an Euler circuit exists for the graph.
A. No B. Yes
Mathematics
Use point plotting to graph the plane curve described by the given parametric equations.x = 2t - 1, y = t2 + 3; -4 ? t ? 4
A. 
B. 
C. 
D. 
Mathematics
Find the length and direction (when defined) of u × v.u = - 
i + 
j + k, v = i + j + 2k
A. 8; 
i - 
j + 
k
B. 8; 
i - 
j - 
k
C. 2
; - 
i + 
j - 
k
D. 2
; 
i + 
j - 
k
Mathematics