Answer:
Cost A = 125 + 50t
Cost B = 200 + 25t
Step-by-step explanation:
Answer:
x=2, x=-5
Step-by-step explanation:
to work more comfortably, the first thing we need to do is work the equation linearly, for that we take advantage of the property of logarithms that tells me that 
in this way, the equation remains as:

Now we clear the equation so that it is of the form 

finally, we apply the equation to solve second degree equations


x=2 and x=-5
Done
Answer:
X=80
Y=9
Z=7
Step-by-step explanation:
That's too little info to determine the height.