Answer:

Step-by-step explanation:
Answer: 3 x 7
Explanation:
So the question is asking you to multiply two prime numbers in order to get 21.
Since 3 and 7 are both prime numbers, you can express 21 as 3 x 7
Hope this helps! :)
Here is a list of prime numbers if it helps you. (prime numbers are in blue):
Rickey got 1199 and Pedro got 1474. I got that by subtracting 275 from 2673 to get 2398. Than you divide 2398 to get 1199 which is Rickey's answer but to get Perdro you have to add 275 to get his answer of 1474.
Answer:
0
Step-by-step explanation:
Use the discriminant formula for parabola




Since the answer is negative, we will have 2 imaginary roots so we won't have any real roots
Answer:
or 23.8
Step-by-step explanation: