Please help! For the numbers a and b represented in the figure, which expression is equal to |a+b| ? A: a+b
B: a-b
C: b-a

Me. i can't figure out this question. give an explanation too. .

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?