315 / 10 = 31.5
4 and down stay the same,
5 and up round up
31.5 = 32
Answer:
b, d
Step-by-step explanation:
20/-4 = -5
20 x (-1/4) = -5
Answer:

Step-by-step explanation:
we would like to solve the following equation:

notice that, the fraction can be reduced therefore reduce fraction:


by trigonometric value table we obtain:

get rid of sin:

and we are done!
Y=4 x=2
I think Y is 4 because the only time a number squared is the number by it'self is also the number +2 is 2- and that makes x=2
A tenth is 0.1
so 0.2/0.1 = 2
there are 2 tenths in 20.2