Which equation represents this situation? naila worked 3.5 hours more than lisa. together, they worked a total of 18 hours. lisa worked h hours. a.) h+7=18 b.) h+(h+3.5)=18 c.) h+(h−3.5)=18 d.) h+3.5=18

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

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 = ∅