Answer:
Yes, she is correct.
Step-by-step explanation:
y = kx is direct variation
15 = k*-3
k = -5.
So the equation of variation is
y = -5x
When x = -4:
y -5*-4 = 20.
Divide .5 4 then do the rest
Answer:
what the choices?
Step-by-step explanation:
2(3x+2) I couldn’t find any other ones, your best bet would be to go into decimals or fractions if you want to find more.
Answer:
Step-by-step explanation:
<u>This is the permutation of 4:</u>
- 4P4 = 4! = 1*2*3*4 = 24 ways