Sally travels to work by train every day the probability that her train will be late on any day is 0.16

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Find the area of the triangle shown 3 by 6