Simplify the expression 3(65x+4y+6)−2(95x+8y+3).

Plz help me

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?