How many solutions are there to the equation below? √x=7. a.1. b.2. c.49. d.0

With number 11 ( show how you got the answer)

3x = 729 solve for x plz . it's urgent. will mark

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000