Which of the following identifies all of the integer solutions of the equation |x| = 21?

0 and 21

-21 only

21 only

21 and - 21

Find the integer a such that a. a ≡ 43 (mod 23) and - 22 ≤ a ≤ 0.

What is 91 percent of 102

What times what equals 128100

List 4 rational numbers between-4 and - 3?

When flipping a coin, what is the probability of heads and then heads?

In a family with eight children, what is the probability that exactly six are boys? a. 7168 b. 28 c. 0.109375 d. 0.015625 The answer is C. 0.109375

A coin will be tossed three times, and each toss will be recorded as heads ( H ) or tails ( T ). Give the sample space describing all possible outcomes. Then give all of the outcomes for the event that the first toss is tails.

It takes one hour less than 2 days for a satellite to go around the Earth. How many hours will it take for the satellite to go around the Earth 23 988 times? Calculate how many days and how many weeks this will be.

Solve the equation: (x - 4) (x - 3) = 0

Which of the following statements indicates the appropriate attitude towards driving