Translate into an equation and solve. Five more than two times a number is negative seven. Find the number.
A) –4
B) –1
C) 6
D) 1
E) –6
E) –6
Mathematics
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Decide whether or not the given equation is an identity.
= tan y
A. Yes B. No
Mathematics
Use the graph to evaluate the limit.
f(x)
A. - 
B. -1
C. ?
D. 
Mathematics
Solve the problem.Standing 16 feet from a streetlight, a 7-foot-tall tree casts a 4-foot shadow. How tall is the streetlight?
A. 21 ft B. 42 ft C. 28 ft D. 35 ft
Mathematics
Graph the ellipse.25(x + 4)2 + 4(y - 5)2 = 100
A. 
B. 
C. 
D. 
Mathematics