Peggy had 4 times as many quarters as nickels. she had $2.10 in all. how many nickes and how many qurters did she have ?

if the variable n represent the number, then which the following expressions represent the number of quarters ?

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Witch represents the inverse of the function f(x)=1/4x-12