Find the missing angle measure.
A. 119°
B. 151°
C. 29°
D. 61°
Answer: D
Mathematics
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Solve the equation.5x2 - 30x + 40 = 0
A. 4 or ?2 B. 2 or ?4 C. 2 or 4 D. ?4 or ?2
Mathematics
Write a linear inequality that describes the shaded region.
A. y ? x - 1 B. y ? -x + 1 C. y ? 2x + 2 D. y ? 2x + 2
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cos 64°
A. 0.44 B. 0.39 C. 0.57 D. 0.26
Mathematics
If the revenue for a product (in dollars) is 
, and the average revenue per unit is 
, 
style="vertical-align:middle;" />, find 
.
?
A. $500 per unit
B. $0.8 per unit
C. $50 per unit
D. $0 per unit
E. does not exist
Mathematics