Answer:
The answer is B
Step-by-step explanation:
In a function every X must have only 1 Y. In this example the x 3 has to y's 10 and 5, therefore making it not a function.
Answer:
6.28
Step-by-step explanation:
Area=πx2^2
Area=4π
Area=4π/2
Area=2π
Area=6.283185307
Area=6.28
the second 3 (from the left) is in the hundreds place so we look at the 1st 7 (from the left) to determine how to round
since 7 is 5 or greater, we round the 3 to a 4
3400
Choice D
Answer:
= 10 
Step-by-step explanation:
The n th term of a geometric sequence is
= a 
where a is the first term and r the common ratio
Here a = 10 and r = 30 ÷ 10 = 3, thus
= 10 
Answer:13.1
Step-by-step explanation:
Area equation:S=