John is trying to use number line to find out the absolute value of the depth of the water. The water is -30 meters down. What is the absolute value of how deep the level is? Use the number line below. It then shows a number line which is marked at -30.

A. 20
B. 30
C. -2.6
D. -30

I know it's either B or D. Please help!

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

the first option i believe

step-by-step explanation:

what chart am i supposed to follow?