Spencer took $21 with him to the mall. at the music store he spent 2/3 of his money on a dvd. he spent 1/4 of what he had left on a drink. how much money did spencer have left after he bought the drink?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅