When like terms are rearranged and put together in an expression, which property is demonstrated?

2n+3x+9n=2n+9n+3x

which property?

identity, communiative, associative, distrubitve

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Write 37/22 as a decimal rounded to the nearest hundredth.

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?