Solve the following system of equations y=-2x+12
y=3x+2
Show all work for solving by substitution.
pls help me, anyone

Seth practice piano for 1 1/3 hours on saturday and 5/6 hour on sunday for much longer did he practice on saturday than on sunday?

Find percent notation for 0.008 0.008=

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?