Answer:
C. Irrational numbers.
Step-by-step explanation:
87 is a whole number , an integer and a counting number
Answer:
![\boxed{-20i^2 -13ij+21j^2}](https://tex.z-dn.net/?f=%5Cboxed%7B-20i%5E2%20-13ij%2B21j%5E2%7D)
Step-by-step explanation:
![\sf Plug \ in \ the \ values.](https://tex.z-dn.net/?f=%5Csf%20Plug%20%5C%20in%20%5C%20the%20%5C%20values.)
![(5i+7j) \cdot (-4i+3j)](https://tex.z-dn.net/?f=%285i%2B7j%29%20%5Ccdot%20%28-4i%2B3j%29)
![\sf Expand \ brackets.](https://tex.z-dn.net/?f=%5Csf%20Expand%20%5C%20brackets.)
![5i(-4i+3j)+7j(-4i+3j)](https://tex.z-dn.net/?f=5i%28-4i%2B3j%29%2B7j%28-4i%2B3j%29)
![-20i^2 +15ij+-28ij +21j^2](https://tex.z-dn.net/?f=-20i%5E2%20%2B15ij%2B-28ij%20%2B21j%5E2)
![\sf Combine \ like \ terms.](https://tex.z-dn.net/?f=%5Csf%20Combine%20%5C%20like%20%5C%20terms.)
![-20i^2 -13ij+21j^2](https://tex.z-dn.net/?f=-20i%5E2%20-13ij%2B21j%5E2)
It would be 48 girls. 42 divided by 7 equals 6 so then you just times 6 by 8 to figure out how many girls there will be.
Answer:
1/2
Step-by-step explanation:
Probabilty = Frequency/Total
She sold 6 flower bouquets, 3 of them were daisy bouquets.
Frequency = 3
Total = 6
3/6
3/6 can be simplified to 1/2;
P(daisy) = 1/2
Check attached file for solution.