Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
Answer:
a positive number
Step-by-step explanation:
-(-) = +
for example, -1 * -1 = 1
We know that distance = rate(time). We need to solve for time here.

The car took 2 hours to travel 90 miles at a speed of 45 mi/hr
The information given requires you to rework the formula as :
distance÷time=rate
so then plug in values to get
5÷2=rate
and the answer will be 2.5 as your rate
Answer:
5200 deer/year
Step-by-step explanation:
- we will call the rate of change, the slope of the function
