Solve the problem.Find the measure of an angle if its supplement measures 126° less than 5 times its complement.
A. 75.5°
B. 36°
C. 151°
D. 18°
Answer: B
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Solve the problem. Round to an appropriate number of significant digits.What is the minimum force required to prevent a ball weighing 26.7 lb from rolling down a ramp which is inclined 15.3° with the horizontal?
A. 25.8 lb B. 3.5 lb C. 12.9 lb D. 7 lb
Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when 
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
+ 
ln 
D. t = 
ln 
- 
ln 
Solve for the given letter.A = 
bh for h
A. h = 
B. h = 
C. h = 
D. h = 
An apple orchard has an average yield of 36 bushels of apples/tree if tree density is 24 trees/acre. For each unit increase in tree density, the yield decreases by 3 bushels. How many trees should be planted in order to maximize the yield? ? __________ trees
Fill in the blank(s) with the appropriate word(s).