Solve the problem.The formula for the perimeter of a square is P = 4s where s is the length of one side of the square. Find the length of one side of the square if the perimeter is 24 inches.
A. 12 inches.
B. 6 inches
C. 3 inches
D. 18 inches
Answer: B
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Solve the quadratic equation.x(x - 8) = 20
A. 2, -10 B. -2, 10 C. -2, -10 D. 2, 10
Solve the problem.A straight trail with a uniform inclination of 11° leads from a lodge at an elevation of 800 feet to a mountain lake at an elevation of 7700 feet. What is the length of the trail (to the nearest foot)?
A. 36,162 feet B. 7029 feet C. 40,355 feet D. 7844 feet
Use a proportion to solve the problem.The ratio of the weight of an object on Earth to the weight of the same object on Pluto is 100 to 3. If a buffalo weighs 3849 pounds on Earth, what does it weigh on Pluto? (Round to the nearest pound.)
A. 115 lb B. 11,547 lb C. 8 lb D. 1,154,700 lb
Find dy/dx by implicit differentiation.y
= 4
A. 
B. 
C. - 
D. - 