Provide an appropriate response.
A group of printers were advertised in the Sunday supplement. The prices listed were $129, $275, $475, $139, $159, $210, $425, $159. What was the standard deviation from the mean to the nearest dollar:
A. $135
B. $246
C. $346
D. $67
Answer: A
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Perform the addition visually using symbols.-1 + 4
A. -3 B. -5 C. 3 D. 5
Write a system of equations to describe the problem situation. It is not necessary to solve the problem. The I.R.Rabbit Company sells carrots. It sells six times as many pounds to grocery stores as to restaurants. It has 5,300 pounds of carrots. The company sells x pounds of carrots to grocery stores and y pounds of carrots to restaurants.
In ?ABC,AB = 3, BC = 4" and AC = 6". In ?PQR, PR = 6 cm, RQ = 8 cm, and PQ =12 cm. Then
(a) ?ABC ~ ?PQR. (b) ?ABC ~ ?QPR. (c) ?ABC ~?PRQ. (d) ?ABC ~ ?QRP. (e) Because one triangle is measured in inches and the other triangle is measured in centimeters, the corresponding sides are not proportional.
Solve. If no solution exists, state this.
= 
A. -4 B. 4 C. -10 D. 10