Answer:
Expand the following expression
(3x+1)(x-4) = 3x^2-12x+x-4
middle term = -11x
Answer:
Please find the complete question in the attached file.
Step-by-step explanation:
For point 1:
At this point we make up triangles for the first one makes up by 3 matches figure 2 make up by 5 matches figure 3 makes up by 7 matches.
For point 2:
you can try to
draw to find values
For point 3:
number of matches
For point 4:

Answer:it is 7 and 6 that is your answer if that does not work it is 12 and 13 ok.
H + 121 + 31 = 180
H + 152 = 180
H = 180 - 152
H = 28
Sum sum sum sum sum sums calculator use google to find sum times 9$