What is the length of the arc shown in red?
60°
9 cm

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1

Which equation is represented by the graph below?