Simplify the algebraic expression by combining like terms.-2(9r + 10) + 2(7r + 2)
A. 7r + 8
B. -4r + 10
C. -38r
D. -4r - 16
Answer: D
Mathematics
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Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = x5 - x4 + x3 + 5
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given value of the variable.z2 + 5z + 7 for z = -3
A. 17 B. 1 C. -13 D. 31
Mathematics
Solve the inequality. Graph the solution set and write the solution set in interval notation.
? 2
A. [-8, -4)
B. (-?, -4) ? [0, ?)
C. (-4, 8]
D. (-?, -8] ? (-4, ?)
Mathematics
Solve. Write the answer in simplest form.A rectangular flower bed in front of a building measures 11
feet by 5
feet. What is the total area of the flower bed?
A. 61 square feet
B. 63 square feet
C. 55
square feet
D. 64 square feet
Mathematics