How to solve 2.5(t+1)+1.04=8.54

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?

What is the quotient of 3x^4+22x^3+37x^2-7x+10

Asap : ) which statement about a histogram is true? a. histograms can plot both positive and negative values on both axes. b. histograms can be used to exhibit the shape of distributions. c. histograms are plots of individual data values. d. histograms show the division of quartile regions for a distribution.