Split it up
3x^2+12x-5x-20
group
(3x^2+12x)+(-5x-20)
factor
(3x)(x+4)+(-5)(x+4)
undistribute (x+4) like ab+ac=a(b+c)
(3x-5)(x+4)
Answer:
200
Step-by-step explanation:
So its basically you multiply the length by the width which is 15 times 5 which is 75 then you multiply 75 times 4 which is 200 so the answer is 200.
The tenths place is right after the decimal point. So, 3160.9903 can be 3160.9.
90 cm because ................................
By definition, the volume of a sphere is:

Where,
r: sphere radio
Substituting values we have:

Rounding the result to the nearest tenth:
Answer: the sphere's volume is: