Someone help with this please

Atriangle includes one angle that 72º. which pair could be the measures of the other two angles of the triangle? a. 9º, 9º b. 26º, 46º c. 53º, 55º d. 72º, 108º

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Which statement best explains why ben uses the width hi to create the arc at j from point k