Answer:
(x + 5)(x + 4)
Step-by-step explanation:
![x^{2} +9x+20=(x+5)(x+4)](https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B9x%2B20%3D%28x%2B5%29%28x%2B4%29)
Answer:
The answer is D. Multiply the previous value by 3.
Step-by-step explanation:
Answer:
Option A (3/4)
Step-by-step explanation:
Please mark Brainliest
Answer:
B. 66
Step-by-step explanation:
45% of 400
.45 x 400 = 180 (number of girls)
400 - 180 = 220 (number of boys)
30% of 220
.30 x 220 = 66