Which subjects does the aspire test assess?

Show me how you find y and z and determine what y and z are you i appreciate it : )

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer