Theo bought 8 packs of pencils for $4 each and 3 packs of
erasers that were on sale for $2 off their regular price of $5
each. which keys could be entered into the calculator to
determine the total amount he spent?
o c8*4+3*5
o c8*4 +3*3
o c8*4 +3 - 2*5
o c8*4 +3* 2-5

answer is 67%

step-by-step explanation:

details

step-by-step explanation:

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: