Solve the equation for the unknown quantity x.8x/2 = 44
A. 2.43
B. 1.36
C. 0.27
D. 3.64
Answer: D
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = 
, x = 4t + 1, y = et, z = 6t - 1
A. 
B. 
C. 
D. 
Solve the problem.Barbara Smith is an employee of Allied Manufacturing Company. She has an 8-hr workday and each day is paid $0.60 for each unit produced or the hourly rate, whichever is greater. Her hourly rate is $7.15 per hour. Last week she produced 90 units on Monday, 103 units on Tuesday, 82 units on Wednesday, 112 units on Thursday, and 98 units on Friday. What were her gross earnings for the week?
A. $302.20 B. $311.20 C. $289.20 D. $300.20
Determine whether the two lines are parallel, perpendicular, or neither parallel nor perpendicular. 3x - 4y = -10 8x + 6y = 4
A. Parallel B. Perpendicular C. Neither
Fourty liters of a 40% acid solution is obtained by mixing a 28% solution with a 50% solution.Write a system of equations in which one equation represents the amount of final mixture required and the other represents the percent of acid in the final mixture. Let x and y represent the amounts of the 28% and 50% solutions, respectively. ?
A. ?
B. ?
C. 
D. ?
E. ?