Rachel earned $2198 in 7 years on an investment at a 4% annual simple interest rate.
How much was Rachel's investment?

Akite is being flown at a 45 angle. the string of the kite is 120 feet long. how high is the kite above the point at which the string is held?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x