Please do number 14 for me. (Show work)

A

Step-by-step explanation:

3x+h=180

h=180-3x

x+15+x+15+180-3x=180

-x+210=180

-x= -30

x=30

Now that we know that x=30 we can easily figure out the values of the other angles

HDZ= 45

HZD= 45

x=3

this doesn't make sense lol

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: