The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)The least number of packages are in which group?
A. 0-9 pounds
B. 20-29 pounds
C. 10-19 pounds
D. 30-39 pounds
Answer: B
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The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.How many people voted for someone other than Ted?
A. 518 B. 546 C. 182 D. 581
Divide using the quotient rule for exponents. Write the result with positive exponents. Assume that variables in the denominator are not equal to 0. 
A. 
B. 
C. x3y5z2
D. 
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.
(15x - 10)
A. 3x - 10 B. 75x - 50 C. x D. 3x - 2
Graph the given function. Identify the vertex and the intercepts.y = x2 + 2x - 3
A. Vertex: (1, - 4)
x-intercepts: -1 and 3
y-intercept: -3
B. Vertex: (- 1, - 4)
x-intercepts: 3 and 1
y-intercept: -3
C. Vertex: (- 1, - 4)
x-intercepts: -3 and 1
y-intercept: -3
D. Vertex: (1, - 4)
x-intercepts: -1 and 3
y-intercept: 3