Aline tangent to a circle is to the radius of the circle at the point of tangency.

a. internal
b. parallel
c. external
d. perpendicular

Which ahows the graph of the solution set of 6x+4y< 12

What is the solution of the systems of equations? y=2/3x+3 x=-2

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?