Factor the following and find the zeros.
1. x2 - 169 = 0 2. x2 + 14x + 49 = 0
3. x2 - 17x + 42 = 0 4. 2x2 - 9x - 5 = 0
5. 3x2 + 11x - 4 =0 6. x2 - 169 = 0

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Eileen purchased 3.4 pounds of apples at the total cost of $19.72. if she purchases 6.2 pounds of apples at this store, how much would it cost?

Give all possible names for the line shown.calculation tip: lines can be written with either point first.