Mrs. Boyle is standing on the top of the Gopher Bowl watching the football team play. She spots the mascot on the field. If the Gopher Bowl is 40 feet tall and the horizontal distance from Mrs. Boyle to the mascot is 68 feet, what is the angle of depression from Mrs. Boyle to the mascot?

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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 -

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step-by-step explanation:

step-by-step explanation: