(x2−1)(x+1)≥0. pls help me​

Step-by-step explanation:

(x²-1)(x+1)≥0

As their are two factors, so

Either,

x²-1≥0

x²≥0+1

x²≥1

x≤√1

x≤1

Or,

x+1≥0

x≥-2

answer: the answer is 5/22

step-by-step explanation: if you subtract 17 from 22 the answer is 5 therefore the remainder of students are female

(a) the volume of the cone is 20/3 in3

hence, option a is correct.