The equations of four lines are given. Identify which lines are perpendicular. Line 1: y=2
Line 2: y=15x−3
Line 3: x=−4
Line 4: y+1=−5(x+2)

What is the slope of the line shown below?

Find the interior angle of a regular polygon which has 6 sides

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000