Answer:
triangal
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Let the number be x
So:

Required
Using trial and improvement, find x
This implies that we keep guessing the values of x until we get a value that match the equation.
Let

So, we have:


Take the square root of 625



Let

So, we have:


Take the square root of 729



At this point, we can conclude that x is approximately 729 because

So:

sixty-six minus twenty-six is forty.
Answer:
7
Step-by-step explanation:
n= 4, a= -5, d = -1-(-5)= -1+5 = 4
Tn = a + (n-1)d
Tn = -5 + (4-1)4 = -5 + (3)4 = -5+12 = 7