A, B, and C are three numbers such that A:B:C = (2x+1) : 5 : (x-1)
and
A+B+C = 20x+65
Given that B=40,find the value of x.

Write the following as a base and exponent

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')