63 initially
Tonya is running a marathon she ran 12 miles she had 51 miles left now many miles is the whole marathon
Answer:
it have no answer in real number(but it have in complex number if you know)
Step-by-step explanation:
4x^2+36=0
4x^2=-36
(if you know complex numbers see this: x^2=-9 then

)
Answer:
The third one is the only one that is not a function.
Step-by-step explanation:
It will be secx = 2
or, cosx = 1/2
or x = Π/3 , 5Π/3
Answer: 751
Step-by-step explanation: