Solve for r.

r16≥8

r≥2

r≤2

r≥128

r≤128

Geometry. i need step by step explanation on how to do each problem.

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

On a piece of paper graph f(x)=5•(0.4)^x