Provide an appropriate response.What does the letter drepresent in the formula for the general term of an arithmetic sequence, an = a1 + (n - 1)d?
What will be an ideal response?
The letter d represents the common difference.
Mathematics
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Multiply.9(-4)(-4)
A. -72 B. 144 C. 154 D. -144
Mathematics
Evaluate. 
+ 
A. 61 B. -11 C. -23 D. -55
Mathematics
Solve the problem.A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 528 feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area.
A. 132 ft by 132 ft B. 88 ft by 132 ft C. 44 ft by 198 ft D. 66 ft by 132 ft
Mathematics
Simplify the expression.|-34| + (-17)
A. -17 B. -51 C. 17 D. 51
Mathematics