Collect like terms.-7z - (-3z)
A. -4z
B. -4z2
C. -10z
D. 4z
Answer: A
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Anne is standing on the corner tossing a coin. She decides she will toss it 12 times, each time walking 1 block north if it lands heads up and 1 block south if it lands tails up. Find the probability that she will end up in the indicated location.at least 10 blocks from her corner
A. 0.0032 B. 0.0029 C. 0.0059 D. 0.0063
Solve the problem.Two groups of people were asked their preference in television programs from among three new programs. The results are shown in the table below. What is the probability that a person selected at random will be from group A or prefer program X?Television ProgramGroup of PeopleXYZA251540B206050
Fill in the blank(s) with the appropriate word(s).
Convert the angle in degrees to radians. Express the answer as multiple of ?.87°
A. 
B. 
C. 
D. 
Factor the difference of squares.81pm4 - 81pn4
A. 81(m2p + n2)(mp + n)(mp - n) B. 81p(m2 + n2)(m + n)(m - n) C. p(9m2 + n2)(9m + n)(9m - n) D. 81p(m2 - n2)2