Find the unit rate:
a bus traveled 288 km in 3hrs?
pl

96 km/hr

Step-by-step explanation:

Divide the distance traveled by the time it took to get the rate:

288 / 3 = 96

96 km per hr

Step-by-step explanation:

What this is asking for is how many kilometers we go in 1 hour. This can be achieved by diving both sides of the equation 288 km = 3 hrs by 3 to get 96 km = 1 hr, or 96 km per hr.

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6