Use the figure to answer the question.The weights (in pounds) of a group of high school students are listed below in a  plot.Which interval has the most students in it?

A. 140-149
B. 90-99
C. 130-139
D. 110-119


Answer: C

Mathematics

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Which ofthe following is equivalent to:? Four times the sum of a number and  is 42?

A.

?


B.

?


C.

?


D.

?


E.

?


Mathematics

Find numbers a and b, or k, so that f is continuous at every point.  

A. k = 
B. k = 7
C. k = 49
D. Impossible

Mathematics

Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.The city bridge has 8 lanes, all carrying equal numbers of cars. If 264 cars drive across the bridge, how many cars cross in each lane?

A. Repeated subtraction B. Missing-factor C. Partition

Mathematics

Perform the operation or operations when possible. - 

A.

B.

C.

D.

Mathematics