Answer:
Here are the basic steps to follow to simplify an algebraic expression:
remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
combine the constants.
A6=?
a1=-50
d=-3
an=a1+(n-1)d
n=6→a6=a1+(6-1)d
a6=a1+5d
Replacing a1=-50 and d=-3
a6=-50+5(-3)
a6=-50-15
a6=-65
Answer: a6=-65
Do the area of the triangle and then the square
The number 2,605, rounded to the nearest hundred us 2,600