Simplify the expression.
+ tan ?
A. cos ? + sin ?
B. sec ?
C. 1
D. sin2 ?
Answer: B
Mathematics
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Solve.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit what is the distance from the other focus?
A. 
× 104 miles
B. 2 × 
× 104 miles
C. 2 × 
× 103 miles
D. 2 × 
× 108 miles
Mathematics
Solve the problem.If f varies jointly as q2 and h, and 
when 
and 
, find f when 
and 
.
A. 12 B. 18 C. 36 D. 4
Mathematics
Solve the problem.A baby weighed 6 pounds at birth and gained 2 pounds a month. How much did the baby gain in 3 months?
A. 6 lb B. 24 lb C. 11 lb D. 12 lb
Mathematics
Determine if the relation is a function.
A. function B. not a function
Mathematics