Foil method? 1. (x-2)(x+3)

2. (x+4)(x-12)

3. (x+3)(x+4)

4. (x+6)(x+7)

5. (x+8)(x+9)

6. (x-5)(x+5)

7. (x+3)(x-3)

8. (x+10)(x+10)

9. (x-2)(x+12)

10. (x + 4)(x - 3)

11. (x+5)(x+2)

12. (x-3)(x-4)

13. (x+7)(x-7)

14. (x-6)(x+3)

15. (x+10)(x-5)

where is the figure

600,000,000,000, or 6e14

step-by-step explanation:

dont know

step-by-step explanation:

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation: