24 Determine whether QR and ST are parallel, perpendicular, or neither.
Q(-1, 4), R(-1, -9), S (11, -2), T (11, 6)
A Parallel
B Perpendicular
© Neither

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Select the lengths in centimeters that would form a right triangle

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !