Solve the number problem by finding the value of the unknown number.If twice a number is increased by 4, the result is 
.
A. 23
B. 
C. 21
D. 
Answer: B
Mathematics
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Write a polynomial that fits the description. ? A fifth-degree polynomial with leading coefficient 3 ?
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the Problems.
A company invests equal amounts of money into two investments. One pays 7% and the other pays 8%. After one year the interest earned on the two investments is $3600. How much was invested in each?
Mathematics
True or False:
?
Referencing the sketch below, an interval where the function increases is (5, 15).
?
Answer the following statement true (T) or false (F)
Mathematics
Factor the difference of squares.y2 - 81
A. (y + 9)(y - 9) B. (y - 9)(y - 9) C. (y + 81)(y - 81) D. (y2 + 9)(y2 - 9)
Mathematics