Answer:
16
Step-by-step explanation:
a = age

- you will multiply by 8 now

- now move a's with a's and the numbers that don't have a variable with each other

- now subtract

- I hope it helps you!
Answer:
I think number 1=209
number 2=120
number 3=89
Step-by-step explanation:
x= 1st aircraft
y=2nd aircraft
z=3rd aircraft
x=y+89
y=z+31
z=y-31
x+y+z=418
y+89+z+31+y-31=418
2y+89+z=418
2y+z=329
2y+(add z)
2y+y-31=329
3y=360
y=120
x=120+89=209
z=120-31=89
Answer:
u=25.6
Step-by-step explanation:
6.4=u/4
by cross multiplication
6.4×4=u
25.6=u
i hope this will help you :)
Answer:
y=7/3x-1
Step-by-step explanation:
The equation for a quadratic is as follows:
y = ax^2+bx+c
The first variable “a” determines whether the parabola opens up or down
The squared allows the equation to look like the parabola swoop when graphed.
The c term is the constant term