4 times 7 = 28
3 times 7 = 21
It will take him 21 days to make 28 bird houses.
Answer:

Step-by-step explanation:
Hope this helps! Have a great day ahead. Happy halloween :) Stay Safe <33
<span>–3cd – d(2c – 4) – 4d
= </span><span>–3cd – 2cd + 4d – 4d
= -5cd
answer
</span><span>A:–5cd </span>
3/2x + 1/5x = 11/6x - 2/15....to get rid of fractions, multiply by common denominator, which is 30.
45x + 6x = 55x - 4
51x = 55x - 4
51x - 55x = -4
-4x = -4
x = -4/-4
x = 1
Answer:
Step-by-step explanation:
most common recorded value= 2inches optiond
hope it helps