Use an algebraic approach to solve the problem:Find a number such that one-half of the number is 7 less than two-thirds of the number.
A. 21
B. 42
C. 35
D. 49
E. 28
Answer: B
Mathematics
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Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.
A. 4e9 B. e9 - e4 C. 4e9 + e4 D. e9 + e4
Mathematics
Graph the function.f(t) = 2cos (t) + 2 
A. 
B. 
C. 
D. 
Mathematics
Graph the inequality.
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Check your solution.x + 9.4x = 208
A. {29.4} B. {20} C. {2} D. {21}
Mathematics