Solve.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 12 feet. Find the length of the ladder if the length is 4 feet more than its distance from the wall.
A. 24 feet
B. 20 feet
C. 12 feet
D. 16 feet
Answer: B
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Use implicit differentiation to find dy/dx.y
= 4
A. - 
B. - 
C. 
D. 
A small country consists of four states (State 1, State 2, State 3, and State 4). The total population of the country is 400,000. The standard quotas are q1 = 179.8, q2 = 129.6, q3 = 79.2, and q4 = 11.4 respectively.The final apportionment to each state under Adams's method is
A. State 1: 180 seats; State 2: 129 seats; State 3: 80 seats; State 4: 11 seats. B. State 1: 180 seats; State 2: 130 seats; State 3: 79 seats; State 4: 11 seats. C. State 1: 179 seats; State 2: 131 seats; State 3: 79 seats; State 4: 11 seats. D. State 1: 179 seats; State 2: 130 seats; State 3: 79 seats; State 4: 12 seats. E. none of these
Give the domain and range for the rational function. Use interval notation.f(x) = 
A. Domain: (-?, 1) ? (1, ?); Range: (-?, 0) ? (0, ?) B. Domain: (-?, 0) ? (0, ?); Range: (-?, 0) ? (0, ?) C. Domain: (-?, 1) ? (1, ?); Range: (0, ?) D. Domain: (-?, 0) ? (0, ?); Range: (0, ?)
Write the number as an improper fraction.7
A. 
B. 
C. 
D. 