Formula: r =(length of chord)^27 (8*height) + (height/2)* 25 points
. A bridge across a river is 18 m wide. The bridge is in
the shape of a circular arc. In the middle of the bridge,
the perpendicular supports are 3 m tall. What is the
radius of the arc?
A. 3 m
C. 15 m
B. 12 m
D. 18 m
D
18 m
ОА

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

Sh what is the value of x? ox= 2.25 x = 11.25 ox= x = 22 1 (2x + 10) seo - (6x + 1) -- nie

Tell whether the two rates form a proportion