Answer:
The correct option should have been 
.
Step-by-step explanation:
Given the expression
solving the expression
Remove parentheses: (a) = a
Group like terms
Add similar elements
It is clear that not a single given option is . It means no option is correct. It seems you mistyped the correct options.
The correct option should have been .
Answer:
z =
Explanation:
Inside angles equal to 120
Angles on a straight angel equal to 180
180 - 120 = 69
X=0 and x=2, the first graph is a line, the second graph is logrithmic and there are two points of intersection
Answer:
9
Step-by-step explanation:
21^2-19^2=80
sqaure root of 80 to the nearest 10th is
If you are looking to round, then you simply either round up or round down due to the term before the place you want to round (in this case, the thousands place). when you round in this case, you would round down because 4 is less than 5 (the middle point between 0 and 10) in which case would give us 60,000
