Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
Answer: D
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Classify the fraction as proper or improper.
A. improper B. proper
Solve the problem.A student earned scores of 85, 83, 90, 94, 88, and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?
A. 81 B. 79 C. 78 D. 80
Write a formula for src="https://sciemce.com/media/3/ppg__cognero__Section_5.2_Sum_and_Difference_Formulas__media__b701c3ee-ddd6-45e7-89c6-87e677234f14.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_55edce9883834760bb9fe82f6" /> and using the formula for the cosine of a sum.
?
A. 
by writing 
as 
B. 
C. 
D. 
E. 
Determine whether the graph of f opens upward or downward and whether the graph is wider, narrower, or the same as the graph of 
Find the axis of symmetry and the vertex. Find the y-intercept and any x-intercepts. Sketch a graph of f.f(x) = 3x - x2
What will be an ideal response?