Juanita wrote 3×47 as 3×40 + 3×7.what property did she use to rewrite the expression?

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Meee i honestly dont know what this question talking about