Answer:
(y-3)^2=y^2+(2×-3×y)+9
=y^2-6y+9
Step-by-step explanation:
(a+b)^2=a^2+2ab+b^2
Answer:
The number of blocks in one hour is the same that the unit rate, so 16 blocks per hour
Step-by-step explanation:
we know that
To find out the unit rate, divide the total blocks by the total time
so

Answer: 7.2x10 3
Step-by-step explanation:
Answer:
heyy
Step-by-step explanation: