In the diagram below, \overline{TS}
TS
start overline, T, S, end overline is parallel to \overline{AL}
AL
start overline, A, L, end overline.

Find the length of \overline{BL}
BL
start overline, B, L, end overline.

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:

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.

can i see a photo of the question so i can you?