To estimate the height of a building, a student stood a certain distance from a building and determined that the angle of elevation to the top of the building was 32. The student then moved 200 feet closer to the building along a level street and determined the angle of elevation was 42. What is the height of the building? a. 315.3 feet
b.628.7 feet
c. 408.4 feet
d. 116.5 feet

25.2

step-by-step explanation:

2+4x6-8/10= 25.2

i think the length is 12 and the width is 17

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 -