Find the measure of the unknown angles. Figures are not drawn to scale.
Find the measure of ?x.
A. 222°
B. 58°
C. 42°
D. 48°
Answer: D
Mathematics
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Evaluate the integral.
dx
A. 162x + 
ln 
+ C
B. sin-1 
+ 
ln 
+ C
C. 
tan-1 
+ 
ln 
+ C
D. 
tan-1 
+
sin-1 
+ C
Mathematics
Find the range for the given data set.7, 8, 9, 10, 11
A. 11 B. 4 C. 9 D. 7
Mathematics
Solve the problem.During the first five months of the year, Len earned commissions of $3880, $2490, $2180, $2810, and $2760. If Len must have average monthly earnings of at least $2900 in order to qualify for retirement benefits, what must he earn in the sixth month in order to qualify for benefits?
A. at least $2900 B. at least $3280 C. at least $2836 D. at least $2824
Mathematics
Perform the division.(8x2y3 + 12x4y7 - 12x5y4) ÷ (4x2y3)
A. 2 + 3xy4 - 3x2y B. 2 + 3x2y4 - 3x3y C. 2xy + 3x2y4 - 3x3y D. 2 + 3x2y3 - 3x3y2
Mathematics