Amerchant buys an old carpet for $25.00. he spends $15.00 to have it restored to good condition and then sells the rug for $50.00. what is the percent profit on his total investment?

(40 points) i need some . an answer definition is appreciated as well.

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

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?