Alex invests £4000 for 7 years. His investment pays compound interest of x% per annum. At the end of the 7 years alex’s investment is worth £5263.73 . Work out the value of x. Plz use a method

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.