Mrs. Buback is going to celebrate Thanksgiving with her family in Pennsylvania which is 200.7 miles from NY. She drove for 4 hours and 30 minutes. What was her average speed?

44.6 mph

Step-by-step explanation:

200.7/4.5=44.6 mph

which expression represents the approximate length of bc?

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: