Answer: about 1 cm
Step-by-step explanation:
Answer:
C. 3, -7
Step-by-step explanation:
x^2 +4x-21 =0
Factor
What 2 numbers multiply to -21 and add to 4
7*-3 = -21
7-3 = 4
(x+7) (x-3) =0
Using the zero product property
x+7 =0 x-3=0
x+7-7=0-7 x-3+3=0+3
x = -7 x=3
35% packed their lunch. 65/100 bought hot lunch. 100-65=35.
The answer is 42 feet I use substitution and subtract by 8
Answer:
um could you transkate to english so i can answer your question?
Step-by-step explanation: