If the store purchase an item at a wholesale cost of 3.50 per item and it is sold at a retail value of 5.00 per item what is the gross profit percentage of the item

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?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|