Which of the following is not true about a perpendicular bisector?
the lines create 90 degree angles.
the bisector is drawn at the midpoint of the line.
the bisector is twice the length of the line.
the lines create right angles.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?