A submarine is 50 meters below sea level. It goes up 15 meters then goes down 40 meters. What is the submarines' new position relative to sea level

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

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.