It takes 3 hours to wash every window on a building. there are 30 windows. How many minutes does it takes to wask each window

6minutes

Step-by-step explanation:

3 hours =180min

180min divided by 30 windows is 6

6 minutes

Step-by-step explanation:

3 hrs turned into minutes = 180

then 180/30 would be 6

Please mark brainliest!

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.

5

step-by-step explanation: