Answer:
r = -6, -1
Step-by-step explanation:
r^2 + 7r+6 =0
Factor
What 2 numbers multiply to 6 and add to 7
6*1 =6
6+1 =7
(r+6) (r+1) =0
Using the zero product property
r+6 =0 r+1 =0
r = -6 r=-1
7 1/5th is the anwser but thats easy your just being lazy i think
Answer:
12
Step-by-step explanation:
4 centimeters for each present and she used 48 centimeters of tape, so u would take 48 divided by 4 and get 12
Step-by-step explanation:
In this question we need to decrease 216 by 
or 37.5 %.
For this, firstly find 37.5 % of 216.
Now subtracting 81 from 216 to find decrease of 216 by 37.5 %.
So,
216-81 = 135
Hence, 135 is the decrease of 216 by 37.5 %.
