Tom has twice as many marbles as luke. together they have 39 marbles. how many marbles does tom have

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

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

Me! i will mark you brainliest if you are right and show your i don't get polynomials and all the other stuff. multiply and simplify.2x(^2)y(^3)z(^2) · 4xy(^4)x(^2)show your