Pls help me
y = 4x - 1
Y=?x+3
So they form a perpendicular line

Given this information, which expression must represent the value of b?

If the measure of xyz is 81 what is the measure of yz

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.