On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposi
number b varies directly with the number a. For example b = 23 when a = -23. Which equation represents
variation between a and b?
b= -a
-b = -a
b-a = 0
B(-a) = 0

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.