Classify each angle as acute, right, obtuse, or straight.
A. Straight
B. Acute
C. Obtuse
D. Right
Answer: A
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Simplify the expression using the order of operations.(-9)2 - 22
A. 85 B. -22 C. -77 D. 77
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.y = -5
A. y-intercept: (-5, 0), m: undefined
B. y-intercept: (0, 0), m: - 
C. y-intercept: (0, 0), m: -5
D. y-intercept: (0, -5), m: 0
Change the exponential expression to an equivalent expression involving a logarithm.2.3x + 5 = 15
A. log2.3 15 = x + 5 B. log2.3 x = 10 C. log15 (x + 5) = 2.3 D. log(x + 5) 15 = 2.3
Write a formula for src="https://sciemce.com/media/3/ppg__cognero__Section_5.2_Sum_and_Difference_Formulas__media__83c097aa-a777-4229-984f-ed1ca8a79984.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 sine of a sum.
?
A. 
by writing 
as 
B. 
C. 
D. 
E. 