Evaluate the expression.(83)
A. 28
B. 2
C. 56
D. 6720
Answer: C
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Factor out the GCF from the polynomial.21y3 - 6y2 + 12y
A. y(21y2 - 6y + 12) B. 3y(7y2 - 2y + 4) C. 3(7y3 - 2y2 + 4y) D. 3y(7y3 - 2y2 + 4y)
Solve the indicated system of equations algebraically.A garden contains two square vegetable beds. Find the length of each bed if the sum of their areas is 2740 ft2 and the difference of their areas is 148 ft2.
A. 54 ft and 51 ft B. 2888 ft and 2592 ft C. 38 ft and 36 ft D. 9 ft and 8 ft
Rationalize the denominator.
A. 
B. 19
C. 19
D. 1
Consider the set 
with an operation 
defined by the table.
means find the entry in row a and column b; for example,
data-wiris-created="true" src="https://sciemce.com/media/3/ppg__cognero__5.1_Natural_Numbers__media__9e3c5c13-073e-4c53-aaa5-b04009a5de98.PNG" style="vertical-align: middle;" /> (the entry in row 7 and column 9). Find 
.
1 4 7 9 1 9 7 1 4 4 7 9 4 1 7 1 4 7 9 9 4 1 9 7
Fill in the blank(s) with the appropriate word(s).