Write the unit digit of denominator of (x+y)*z where x = -4/3 y =1/2 z= -7/5 plz help

The system of equations graphed below has how many solutions? y = 2x + 2

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?

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.