She can find out answer by dividing 21÷3 and the answer is 7
She can make 7 bird house
B.6 would be the right answer because thats the ratebin which it drops
Are there any answer choices?
Answer:
2x³ + 11x² + 8x - 16
Step-by-step explanation:
Multiply:
(x + 4) (2x² +3x - 4)
2x³ + 3x² - 4x + 8x² + 12x - 16
Combine like terms:
2x³ + 11x² + 8x - 16
Answer:
0.216
Step-by-step explanation:

is this the standard form?