I need help with: if I was asked to think of a number and multiply it by 2, I could write this algebraically as 2x.

write the following algebraically, using x as your unknown

"I think of a number, add 3 to it and multiply the result by 7."

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

Ineed to learn how to solve this problem

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.