Find the work done in the given situation.Lifting a 212-pound weight 29 feet into the air

A. 614.8 foot-pounds
B. 6148 foot-pounds
C. No work is done
D. 7.3 foot-pounds


Answer: B

Mathematics

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Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary. n = 2

A. 110 B. 66 C. 99 D. 55

Mathematics

Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)

A. 4ab B. 8ab C. 4a + 4b D. 4a + b

Mathematics

Provide an appropriate response.Solve, checking for extraneous roots:   - 2 = 

A. x = x = 1
B. x = 
C. x = -2
D. x = -2, x = 

Mathematics

Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6

A. [2, 3]

B. (-?, 2] ? [3, ?)

C. (2, 3)

D. [-3-2]

Mathematics