14) 23.24778564
15) 38.01327111
The last one, I also need help
Answer:
Step-by-step explanation:
y = kx
If y = 25x , then k = 25
Answer:
$0.75
Step-by-step explanation:
Answer:
The answer is x=9 and/or x = -12
Step-by-step explanation:
This is a quadratic formula meaning that you must take the a value (1) b value (3) and the c value (108) and plug it into the quadratic formula.
![\frac{-3±\sqrt{9+4*1*-108} }{2}](https://tex.z-dn.net/?f=%5Cfrac%7B-3%C2%B1%5Csqrt%7B9%2B4%2A1%2A-108%7D%20%7D%7B2%7D)
which simplifies to -3 add or subtract the sqrt of 441 divided by two.