Laura earns $7 per hour baby-sitting for her neighbor. how much will laura make if she baby-sit for 4 hours?

I've never been good at math he told he loves but he keeps cheating on me, so it ain't adding up sis

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.