Suma, Recta, Multiplicación y División de enteros. (/ representa División) 1. -34+24=

2. 56-100=

3. -5×-9=

4. -27/9=

5.243/(-3)=

6. 45×-13=

7.-8-12=

8. -20+(-20)=

9. -3-(-7)=

10. 31×-5=

11. -1000/(-10)=

12. -2×0=

13. 25-24=

14. -24+40=

15. 6+(-9)=

16. -63/7=

17. -50×-20=

18. -7×-8=

19. 9-(-10)=

20. 0×-100=​

Find the value of the cosine for angle a

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Abowl contained 270 starbursts of all different colors. if the probability of picking a yellow is 1/9, then how many yellow starbursts are in the bowl ? ?