I REALLY NEED THE HELP FAST AND CORRECTLY PLEASE What is the quotient of the complex numbers below?
7 + i/3-i

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza