Please help me for brainlist if it correct​

Step-by-step explanation:

the value of length and breadth is not clear

but

perimeter = 2(l+b)

area=(l*b)

you can use this formula

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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: