Complete.20 yd =  ft

A. 720
B. 60
C. 240
D. 180


Answer: B

Mathematics

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Solve.How many lines are determined by 18 points, no 3 of them being collinear?

A. 18 B. 153 C. 2448 D. 306

Mathematics

Sketch the given surface.x2 + y2 = 4

What will be an ideal response?

Mathematics

Find the absolute value of the complex number.z = 7 - i

A. 5
B. 2
C. 50
D. 8

Mathematics

Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.-11, -17 , -23, -29, . . .

A. an = -6n - 5; a20 = -125 B. an = 6n + 11; a20 = 131 C. an = -6n - 11; a20 = -131 D. an = 6n + 5; a20 = 125

Mathematics