Provide an appropriate response.Find the measure of ?1 if ?8 = 138°.
A. 90°
B. 42°
C. 100°
D. 138°
Answer: D
Mathematics
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Use <, >, or = to make a true statement.|-12|
|-7|
A. = B. < C. >
Mathematics
Solve.7 - 2x = 10x - 4x - 17
A. 
B. 3
C. - 
D. - 
Mathematics
Solve the application by using multiplication or division.A stockbroker sold 55 shares of stock for $48.49 each. What was the total amount of the sale?
A. $2667.05 B. $2667.06 C. $2666.85 D. $2666.95
Mathematics
Simplify the trigonometric expression by following the indicated direction.Factor and simplify: 
What will be an ideal response?
Mathematics