The sum of 9 and twice a number

I need to write this as an algebraic equation.

The unknown number is n

On Friday, Logan asked 50 randomly selected shoppers if they liked carrot cake. The number of shoppers who responded "yes" was 35 and "no" was 15. Which of the following is true?

A length of string 1 yard long is formed into a square. How many inches long is each side of the square?

Solve the problem. 8^4x = 135

The annual salary of each employee at an automobile plant was increased by 6% cost of living raise and then $2000 productivity raise. A) Write a function that transforms old annual salary, S, into the new one, N.

What is 3+2i simplified

Bryce drove 200 miles to his grandparents house this is 50 miles more than three times the distance to Aunt Lance a house what is the distance to hisaunt lance house?

Seven times a certain number is 266. What is the number?

Write a variable expression that represents how much you will be paid if you work x hours at your selected rate. So, can you write an expression for Hourly rate: 35.00

Given the equation f (x) = 2x² + 4x - 1, what is axis of symmetry? a. 1 c. - 1 b. 2 d. 0

The basketball player is 15 feet away from the goal. The goal is 10 feet high. What is the distance between the player and the basket?