Janelle has 10 marbles, ralph has 13 marbles, and jennifer has 17 marbles. use mental math to determine the total number of marbles janelle, ralph, and jennifer have. a.37 b.23 c.30 d.40

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

How can you construct perpendicular lines and prove theorems about perpendicular lines