Maya dropped her keys down a storm drain. Her hand was 1 meter above the ground. The keys fell 10
meters to the floor of the drain.
The following equation describes this situation,
1 - 10 =
-9
What does -9 tell us?

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.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s.   if they count at the same rate, what number will they say at the same time?