Y= x+4
Y=-2+8
Are these perpendicular

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Evaluate the expression. (9 + 5)(3 + 2)0

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.