Write the word phrase as an algebraic expression. The quotient of 7 and a number x, minus the product of 5 and the number
A. 
- 5x
B. 
C. 5x - 
D. 
- 5x
Answer: A
Mathematics
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Evaluate the expression for the given value of the variable.The algebraic expression 0.2x - 81 describes profit for a certain vendor when the vendor sells 
Evaluate the algebraic expression when 
to find the profit that the vendor makes from selling 
A. -$79.00 B. $719 C. $79 D. $160
Mathematics
Find the average rate of change of the function as x changes from a to b.f(x) = x2 - 5; a = 1, b = 4
A. 0 B. -3 C. 5 D. -5
Mathematics
Evaluate the double integral.
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.
A. (0, -3, 3) B. (0, 0, -3) C. (0, -3, 0) D. No solution
Mathematics