Solve the problem.Jeff studied math for 2
hours, history for 2
hours, and physics for 1
hours. How long did he study?
A. 1
hr
B. 5
hr
C. 
hr
D. 
hr
Answer: B
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Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit.
A. G = 
x - 50
B. G = 
x + 8
C. G = 
x + 50
D. G = 
x + 50
Find the equivalent series circuit for a parallel circuit with R = 10 Kê, XC = 20 Kê, XL = 40 Kê, and f = 35 KHz.
a. R = 10 Kê, L = 36 mH b. R = 17.6 Kê, L = 30 mH c. R = 9.4 Kê, L = 10.7 mH d. R = 3.8 Kê, L = 14.9 mH e. R = 10.4 Kê, L = 32.2 mH
Simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive numbers.
A. 
B. 5
C. 25
D. 
Solve the inequality graphically. Give the solution in interval notation.Use the x-intercept method to solve 9(2x - 4) > 27(x + 2).
A. (-?, -10) B. (-10, ?) C. (10, ?) D. (-?, 10)