The awnser is c. hope this helps
Answer:
y=-2x-7
Step-by-step explanation:
just replace the m with what m equals (-2), and do the same thing with b (-7).
Answer:
x = -6 and -1
Step-by-step explanation:
x^2 + 6x + 7
Factorise- find two numbers that multiply to be 6 and add to be 7: 6 and 1
(x+6)(x+1)
Set each expression equal to 0 and solve
x + 6 = 0 -> x = -6
x + 1 = 0 -> x = -1
I=PRT/100
720=1000x9xT/100
72000=9000T
T=72000/9000
T=8years