ea. org/growth/#/test-player 100% This table shows the number of girls enrolled in school by class. Girls 165 Freshman Sophomore Junior Senior 145 114 102 If a student is chosen at random from this group, which is the probability that a senior will be chosen? O A. 0.19 OB. 0.20 OC. 0.25 D. 0.30 O E 0.102

69.64%

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 -

its line 2 i just added the rest or else it wouldn't let me answer