If sally walked 1⁄2 mile in 1⁄4 hour, how fast was she walking measured in miles per hour?

Let w = 4. enter > , < , or = to compare the expressions. 3w² + 1 10w + 8

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?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.