20 – 4/5 x ≥ to 16

which of the following inequalities is equivalent to the inequality shown above?
16

a. x ≤ 5
b. x ≥ 5
c. x ≤ 65/2
d. x ≥ 65/2

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Which expression is the factorization of x^2+10+21

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?