Sierra was given the following expression to solve. 30 + 20 + (3^2 − 4) x 2

She incorrectly wrote 32 as her answer.
Which statement best describes her mistake?

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap