Translate the indicated expression.The diameter of a circle is twice the radius. If r represents the radius, then write and expression for the diameter.

A.
B. r2
C. 2r
D. r


Answer: C

Mathematics

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Write the decimal representing the given rational number.

A. 1.181818 . . . B. 2.363636 . . . C. 0.144444 . . . D. 0.433333 . . .

Mathematics

Given AB on the square lattice.

(a) How many triangles can be drawn that have AB as a side?
(b) How many of these triangles are isosceles triangles?
(c) How many of these triangles are acute triangles?
(d) How many of these triangles are right triangles? (e) How many of these triangles are obtuse triangles?

Mathematics

Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = x2 ,  g(x) = (x - 6)2 - 5

A.

B.

C.

D.

Mathematics

Evaluate the function for the indicated input and interpret the result.A(4, 23, 6) where A(w, ?, h) = w?h.  (f computes the volume of a rectangular solid with width w, length ?, and 

A. A(4, 23, 6) = 552  The volume of a rectangular solid with width 4, length 23, and height 6 is 552. B. A(4, 23, 6) = 644  The volume of a rectangular solid with length 4, width 23, and height 6 is 644. C. A(4, 23, 6) = 276  The volume of a rectangular solid with width 4, length 23, and height 6 is 276. D. A(4, 23, 6) = 644  The volume of a rectangular solid with width 4, length 23, and height 6 is 644.

Mathematics