Its quick i just need with this one that im stuck on

discriminent worksheet

a: -4 ex: -4m^2-3m+3=-6
+6 +6

b: -3

c: 9 .

-4m-3m+9=0

b^2-4ac

(-3)^2-4(-4)(9)

9+144

153

(i need this one solved with the work shown)

2.) -4k^2-4k+6=-4

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

3/4 = c/36 i need with this fraction proble.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220