$3,000 is invested in an account paying 4% interest and twice that amount is invested at 6%. Which of the following expressions represents the amount of interest earned on the money invested at 6%? 2(3,000) 0.06(6,000) 0.06(3,000)

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?