Solve.Mark and Rachel both work for Smith Landscaping Company. Mark can finish a planting job in 4 hours, while it takes Rachel 2 hours to finish the same job. If Mark and Rachel will work together on the job, and the cost of labor is $35 per hour, what should the labor estimate be? (Round to the nearest cent, if necessary.)
A. $105.00
B. $26.25
C. $46.67
D. $93.33
Answer: C
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(2) = 10, u '(2) = 3, v(2) = -1, v '(2) = -4.
(3v - u) at x = 2
A. -15 B. 7 C. -9 D. -13
Provide an appropriate response.Why is it not possible to choose h and k, neither zero, so the parabola 
has its vertex at the origin?
What will be an ideal response?
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = -7; d = 2an = ?; a10 = ?
A. an = -9 + 2n; a10 = 11 B. an = -9 + 2n; a10 = 17 C. an = -9 - 2n; a10 = 11 D. an = -7 + 2n; a10 = 11
Evaluate the exponential expression.43
A. 64 B. 4 C. 7 D. 12