Solve for the given letter.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
Answer: B
Mathematics
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Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 5 miles per hour. In how many hours will they be 45 miles apart?
A. 1 hour B. 3 hours C. 4 hours D. 5 hours
Mathematics
Find the exact value under the given conditions.Given sin u = 
, with u in quadrant II, and cos v = 
, with v in quadrant I. Find sin (u - v).
A. 
B. 
C. 
D. 
Mathematics
Solve for the indicated variable.Solve q = 
for p.
A. p = 
B. p = 
C. p = 
D. p = 
Mathematics
Find an equation for the ellipse.Foci at (0, ±4); a = 8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics