How do i double 18 and multiply by 10?

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?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Compound inequalities. , i’m being timed