If Z2 24 and 25-27, which describes all the lines that must be parallel? t
12
8/ 7
43
#
9/10
u
13/14
12/11
16/15
Only lines r and s must be parallel.
O Only lines t and u must be parallel.
Lines rand s and lines t and u must be parallel

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.

Wrote and expression for the difference of p and 4

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?