Solve the system using matrices:
2x+y+2z=3
x+6y+3z=4
3x-2y+z=0
(Show work)

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12