120. (5 letters so 5*4*3*2*1)
Answer:
X=9
Step-by-step explanation:
Martys class has 30 dollars
Tommy has (6+x)X2=30
30/2 is 15
15-6 is 9
Answer:
Squaring a binomial creates a perfect square trinomial: (a + b)2. (a - b)2. (a + b)2 = a2 + 2ab + b2. (a - b)2 = a2 - 2ab + b2.
Step-by-step explanation:
19 is a prime number and multiple of 57.
Answer:



Step-by-step explanation:
Represent the first piece with F, the second with S and the third with T.
So:



Required
Find the length of each piece
Substitute
and
in 

Collect like terms


Divide through by 3


Substitute
in
and 





