Solve the problem.Numbered disks are placed in a box and one disk is selected at random. If there are 8 red disks numbered 1 through 8, and 6 yellow disks numbered 9 through 14, find the probability of selecting a red disk, given that an odd-numbered disk is selected.

A.
B.
C.
D.


Answer: D

Mathematics

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Suppose that the graph of y = is drawn on a coordinate grid where the unit of measurement is an inch. How many miles to the right of the origin do we have to move before the height of the curve reaches 2 ft? Rounded to the nearest mile.

a. 754.9 mi b. 4,457,536.9 mi c. 53,490,543 mi d. 53,490,442.5 mi e. 53,490,343 mi

Mathematics

Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?

A. m B. l, m, n, and o C. l and n D. m and o

Mathematics

Match the system of equations with one of the graphs.x2 + y2 + 13y = 0x2 + y2  = 12x

A.

B.

C.

D.  
 

Mathematics

Solve. Write your answer in simplest form.You have three bolts that are  in.,  in., and  in. long. You select the shortest of these to join two plates. Which length was selected?

A.  in.
B.  in.
C.  in.

Mathematics