You are working as an apprentice for the bksb newcastle arena. in order to meet health and safety requirements, the arena calculates how many security staff it will need at an event by using this formula: number of security staff = a 100 if a, audience attendance, is 10500, how many security staff are needed for the event?

There are 105 number of security staff needed for the event.

Step-by-step explanation:

Since we have given that

Number of security staff is given by

We have given that

a is the audience attendance.

Here, a = 10500

So, Number of security staff are needed for the event would be

Hence, there are 105 number of security staff needed for the event.

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)