Multiply (use the distributive property): 2(3a+5)

Pls don't mess around I need this

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Reflect the point (7,0) across the y-axis