Find the distance between the pair of points. Round to the nearest tenth if necessary.(3, 7) and (-5, -7)
A. 132
B. 2
? 16.1
C. 132
? 758.3
D. 6
Answer: B
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Find the coordinates of the vertices and foci of the ellipse.
+ 
= 1
A. V(0, -4), V(0, 4), F
, F
B. V(-4, 0), V(4, 0), F
, F
C. V(0, -4), V(0, 4), F
, F
D. V(-4, 0), V(4, 0), F
, F
Solve.g - 18 = 48 - 10g
A. g = -12 B. g = 6 C. g = -6 D. g = 12
Which of the following is NOT a cause of student difficulty on the broken ruler problem?
a. Inability to read fractional lengths. b. Believing that the number appearing below the right side of an object measured on the ruler indicates its length, regardless of where the object is placed on the ruler. c. Counting a mark above a whole number as a unit of length rather than the distance between two consecutive whole numbers. d. Over-reliance on calculators as computational devices.
Solve the problem.Four coins are tossed 20 times to simulate the outcomes of the sexes of the children in a four-child family. If H simulates a boy and T a girl, use these results to determine the probability that a family has at most two girls.
?
?
?
A. 
B. 
C. 
D. 