507 i think. you just square 13 then multiply that by pi which is 3
Answer: Option b

Step-by-step explanation:
Linear equations have the following form:

Where the exponents n, m, s and h are always 0 or 1
To know which equations are nonlinear, identify among the options given, those that have exponents other than 1 or 0
Note that in option b) the exponent of the variable x is
therefore the equation is nonlinear
Finally the answer is the option b
4.8 students take bus
not sure if right though
but hope it helps c:
Answer:
-1.5
Step-by-step explanation:
Answer:
bodmas
Step-by-step explanation:
enables to go step by step