Answer: 15
Step-by-step explanation:
The mode is the value that appears more frequently. In this case, the mode is number 1.
8 goes into 64 8 times. 8*8 equals 64. For example 8+8+8+8+8+8+8+8=64 that is 8 written out 8 times. I hope that helped :D
Wide is diameter
to get radius 1.9/2
then use a calculator with this formula 2(3.14)(1.9/2)
or you can use (3.14)(diameter) the diameter was 1.9
so (3.14)(1.9)

after taking sqrt both side
3x/

3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y
Answer is A