Asphere has the radius of 5 mm use 3.14 to approximate pi and round your answer

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?