Graph the equation. Select integers for x, starting with -3 and ending with 3.y = x2 - 4
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A psychology class decides to compare the social attitudes of students from urban and rural backgrounds. Class members are divided into two groups: 5 students who grew up in an urban setting and 3 students who grew up in a rural environment. Each member of a group is to meet with each member of the other group one time, at which time the pair will interview each other by asking questions about current social issues. After all the interviews are completed, the students will compile the results and draw conclusions. Draw a graph with vertices representing students and edges representing interviews. How many interviews will there be?
What will be an ideal response?
Solve the problem.Numbered disks are placed in a box and one disk is selected at random. If there are 3 red disks numbered 1 through 3, and 5 yellow disks numbered 4 through 8, find the probability of selecting a disk numbered 3, given that a red disk is selected.
A. 
B. 
C. 
D. 
Subtract.8,827
A. 8,355 B. 4,311 C. 4,355 D. 4,351
Solve the problem. Round to two decimal places if needed.A sector of a circle has an area of 72 square feet. Find the central angle (in degrees) that forms the sector if the radius is 3 feet.
A. 18,573.25° B. 37,146.5° C. 917.2° D. 458.6°