For each right triangle, find the missing quantity. Express angles in degrees and minutes.Find b.
a = 14A = 62°21'
A. b = 30.2
B. b = 7.3
C. b = 30
D. b = 15.8
Answer: B
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Evaluate the iterated integral.
A. - 
B. 
C. 
D. - 
John cares about environment and decided to change his car from gasoline to electric. Moreover, electric cars are more fuel-efficient. His old gasoline car needed 6.4 gallons of gasoline per 100 mile, and a new electric car will need 30 kilowatt-hours (kWh) for the same distance. Evaluate John’s profit during the first year of exploitation of the electric car if electricity costs $0.23 per kWh and gasoline costs $4.81 per gallon. John has driven 1,400 miles.
a. $527.576 b. $64.12 c. $33,437.6 d. $334.376
Multiply the monomials.
A. - 
x14
B. 
x45
C. 
x14
D. - 
x45
Solve.10,500 college students were asked to name their favorite sport. Of this group, 
said basketball, 
said soccer, 
said baseball, 
said they had no favorite sport, and the remainder said volleyball. How many named each sport? 
A. Basketball: 3,500 Soccer: 2,100 Baseball: 1,800 Volleyball: 2,575 None: 525 B. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,635 None: 515 C. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,625 None: 525 D. Basketball: 3,500 Soccer: 2,050 Baseball: 1,750 Volleyball: 2,675 None: 525