The value of a bike depreciates by 35% per year. work out the current value of a bike bought 2 years ago for £600.

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?