Jack bought 6 bottles of grapefruit juice at a market. each bottle cost $2.89. how much change did he receive from $20.00? (answer choices: a- $17.34 b-$3.56 c-$2.55 d-$2.56

Find the domain of the following expression: 1/(√x)-2

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation