Solve the equation.4x + x = 49 - 9
A. 8
B. -8
C. -5
D. 5
Answer: A
Mathematics
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Find the indicated term or coefficient of the binomial expansion.Find the 11th term of the expansion of (x + 2y)12.
A. 33,792x2y11 B. 67,584x10y2 C. 33,792x10y2 D. 67,584x2y10
Mathematics
A college student earns $50 per day delivering advertising brochures door-to-door, plus 50 cents for each person he interviews. How many people did he interview on a day when he earned $126? ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Determine whether the given function is positive or negative for values of t in the specified quadrant. Quadrant II, cos t
A. Positive B. Negative
Mathematics