A is directly proportional to x and inversely proportional to y. If A=20 when x=6 and y=9, what is the value of A when x=9 and y=6? A) 1/20
B) 30
C) 45
D) 60

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

Select the number of ways in which a line and a circle can intersect

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?