Eight car dealerships reported the number of cars they sold last month.

Car Dealership
Number of Cars Sold
GMC
84
Chevrolet
81
Nissan
92
Toyota
92
Ford
95
Honda
94
Hyundai
80
Acura
72

What is the upper and lower quartile of this set of data?
a.)lower quartile: 80.5
upper quartile: 93
b.)lower quartile: 88
upper quartile: 93
c.)lower quartile: 80.5
upper quartile: 88
d.)lower quartile: 72
upper quartile: 95

da freeck kinda math is this just drop out

step-by-step explanation:

what do u need to know

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -