imonne used the following steps to simplify the given expression. 12 minus 3 (negative 2 x + 4) Step 1: 12 + (negative 3) (negative 2 x) + (negative 3) (4) Step 2: 12 + 6 x + (negative 12) Step 3: 12 + (negative 12) + 6 x Step 4: 0 + 6 x Step 5: 6 x What property of real numbers was used to transition from step 3 to step 4? identity property of addition inverse property of addition associative property of addition commutative property of addition

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?