Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximative value rounded to 2 decimal places.
A. rational, 10
B. not a real number
C. rational, -10 and 10
D. irrational, 10.05
Answer: B
Mathematics
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Solve the problem.The electric current i (in A) as a function of the time t (in s) for a certain circuit is given by 
Find the average value of the current with respect to time for the first 5.0 s.
A. 32 A B. 12 A C. 58 A D. 16 A
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Evaluate.Let a = 3i, b = i + j. Find 6a - b.
A. 17i - j B. i - 17j C. 11i + j D. 17i - 6j
Mathematics
Write the equation in slope-intercept form.2x + 9y = 18
A. y = 
x + 2
B. y = 2x - 18
C. y = 
x - 2
D. y = - 
x + 2
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Simplify.
? 
A. 
B. 
C. 11
D. 
Mathematics