Simplify the expression.
-2/3
A. 
B. - 
C. 
D. Not a real number
Answer: A
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = ex cos y + ey cos x; x = -8t, y = 3t
A. e-8t(-8 cos 3t + 3 sin 3t) e3t(3 cos -8t - 8 sin -8t) B. e-8t(-8 cos 3t - 3 sin 3t) e3t(3 cos -8t + 8 sin -8t) C. e3t(-8 cos 3t + 3 sin 3t) e-8t(3 cos -8t - 8 sin -8t) D. e3t(-8 cos 3t - 3 sin 3t) e-8t(3 cos -8t + 8 sin -8t)
Determine whether the ordered pair is a solution for the equation.(3.8, 1.4); y = 5x - 17.6
A. Yes B. No
From the following credit card transactions, find the credit-card sales less refunds. Then find the amount of the charge at the statement date.Bob's Bicycle Shop pays a 3% fee.??SalesRefunds$52.42?$132.68?$24.92$111.42?$115.19?$34.55$177.76?$139.12?$38.12$140.98?$69.67
A. $939.24, $28.18 B. $1,036.83, $31.10 C. $831.65, $24.95 D. $841.65, $25.25
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-1, 4) -1 < x < 4 B. [-1, 4] -1 ? x ? 4 C. [-1, 4) -1 ? x < 4 D. (-1, 4] -1 < x ? 4