The triangle below is equilateral. That means all the sides are the same length. What is the value of y?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

: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?

What is the value of the discrimination for the quadratic equation 0=×2+2+×2