Answer:
3x-7y
Step-by-step explanation:
9x^2 - 49y^2
find the square root of a values
=3x-7y
Seven groups with 8 people in each group
You could find the unit rate by dividing 2884 miles by 7 days to get 412 miles/ day
Answer:
12,000
Step-by-step explanation:
The machine fills the containers at a rate of 50+5t milliliters (mL) per second.
Therefore, the rate of change of the number of containers, N is:


When t=60 seconds

Therefore, 12,000 milliliters of acid solution are put into a container in 60 seconds.
Answer:
128cm²
Step-by-step explanation:
A=½×b×h
A=½×16cm×16cm
A=½×256cm²
A=128cm²