Find an algebraic expression for the area of the rectangle by finding the sum of the four interior rectangles.
A. 3z2 + 21z +42
B. 3z2 +27z
C. 3z2 + 27z + 42
D. 3z2 + 6z + 42
Answer: C
Mathematics
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Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Reduce the fraction to simplest form.
A. - 
B. 
C. 
D. 
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.49k3m - 126k2m2 + 81km3
A. km(7k - 9m)2 B. prime C. km(7k - 9m)(7k + 9m) D. km(7k + 9m)2
Mathematics
Translate the phrase to an algebraic expression. Use "x" to represent "a number". The product of a number and -4
A. x - 4
B. x ? 
C. x ? 4
D. x ÷ 
Mathematics