Andrea paid $9.99 to join an online music service. She purchases 12 songs each month at a cost of $0.79 per song. Andrea thinks that after 6 months, she will have spent around $40.00 total. Is Andrea's estimate reasonable?

Which term best describes the association between variables a and b

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia