Answer:
no she is not correct
just because it ends in 7 does not mean that it is prime
Step-by-step explanation:
57 is divisible by 1, 3, 17, and 57
67 is a prime number and is only divisible by 1 and itself
a thanks would be appreciated
Answer:
Paul is the youngest at 17 years old. Fiona is 20 years old, Sara is 23 years old
Step-by-step explanation:
Assign variables to the ages.
S = sara's age
F = Fiona's age
P = Paul's age.
S + F + P = 60
S = 3 + F
P = F - 3
(3 + F) + F + (F - 3) = 60
3 + 3F - 3 = 60
3F = 60
F = 20
S = 23
P = 17
Answer:
(x + 4)(x + 5)
Step-By-Step Explanation:
What two numbers add to 9 and multiply to 20?
They would be 4 and 5.
So,
After Rewriting the expression,
(x + 4)(x + 5)
Hope this helped ;)