Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Answer: B
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The pie chart shown below represents the grades of 260 students in Professor Blackbeard's Stat 101 class.
Suppose the following grade point scale is used: A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0.0. Which number best estimates the grade point average in Professor Blackbeard's Stat 101 class?
A. 2.5 B. 2.4 C. 2 D. 2.1 E. 2.6
Use the formula ? = 
to find the value of the missing variable. Give an exact answer unless otherwise indicated.? = 
radian, t = 11 sec
A. 
radians per sec
B. 
radians per sec
C. 
radians per sec
D. 
radian per sec
Solve the application.The circle graph shows the fraction of books read by students in grades one through five. What fraction of books was read by students in first and fourth grades combined?
A. 
of books
B. 
of books
C. 
of books
D. 
of books
Determine whether the equation is a linear equation in two variables.9y = x - 4
A. yes B. no