Answer:
One
Step-by-step explanation:
Set each equations equal to each other


Find the discrimant.

This means there is one real solution. Since the discramnt equal 0.
Answer:
a,480 over 60=80cm3
b,(c over 24)the whole cubed=480 over 60
c*60=24*480
c=11520/60
=192
Answer:
331
Step-by-step explanation:
Add 74 + 46 + 57 = 177
Add 9 + 36 = 45
Add 45 + 46 = 91
Isolate the variable by dividing each side by factors that don't contain the variable.
f=e-g/d