In the expansion of (2+3x)^n, if the coefficient of x3 and x4 are in the ratio of 8:15, find n?​

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9