Ariana bought 2 new shirts for $12 each and spent $15 on a movie ticket. The change in the balance of Ariana’s bank account can be represented by the expression shown in the image. Which integer represents the change in the balance of Ariana’s bank account from these purchases?

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

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

The temperature of a chemical solution is originally 21 ? c . a chemist heats the solution at a constant rate, and the temperature of the solution 75 ? c after 1212 12 minutes of heating. the temperature, tt t , of the solution in ? c is a function of x , the heating time in minutes. write the function's formula.