Bellwork: Day 46

(x + 3y + 2z) - (5x - 4y + z) is equivalent to:

• -5x - y - z
• -5x + 7y + z
• -4x - y + 3z
• -4x -y + z
• -4x + 7y + z

• (3p - 2)(2p + 3)
• (3p - 3)(2p + 2)
• (3p - 3)(2p - 2)
• (3p + 2)(2p - 3)
• (3p + 3)(2p - 2)

Lines a and b lie in the standard (x, y) coordinate plane. An equation for line a is y = 0.15x + 5000. The slope of line b is 0.2 greater than the slope of line a. What is the slope of line b?

• 0.015
• 0.05
• 0.35
• 3.0
• 500