A researcher is interested in the effect of music on memory. She randomly divides a group of students into threeâ groups: those who will listen to quietâ music, those who will listen to loudâ music, and those who will not listen to music. After the appropriate music is playedâ (or notâ played), she gives all the students a memory test. what is the explanatory variable and response variable?

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.