What is A to the -1
A-[10 -2]
0. 3
B=[ 5 8]
(2 -3)
0. 4

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.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)