You have $1.00 and are going to buy some pencils and candy. Pencils cost $0.10 each and Peppermint Patties cost $0.05 each. Now model the situtation in slope-intercept form.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Extra points! find the missing dimension! need asap

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?