Joelle would like to tip her hairdresser 20%. If her haircut costs $38.00, which expression should she use to find the tip amount? A. (0.02)(38)
B. (0.2)(38)
C. (1.2)(38)
D. (20)(38)

Please hurry! I only have a couple minutes left!

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?