What do double brackets around an x mean?

Find the diameter of a circle with an area of 415.48 square inches

Martin was going to the market to buy apples. The price for apples is $3.50 times the number of apples bought plus one-dollar tax. Write a polynomial function A that represents the price of apples in terms of n. If Martin bought 3^3 amount of apples.

Ten coins weigh 25 grams. How many grams does 1 coin weigh?

Evaluate the expression w 2 - v + 1 for w = - 2 and v = - 8.

Find the volume of a cube that has a side length of 6a^2b A. 216a^2b B. 18a^6b^3 C. 216a^6b^3 D. 18a^2b

Mark, evan, and cayla are playing a game. there are 3 blue marbles, 2 red, and 1 green marble. if mark pulls a blue marble he gets $1. if evan pulls a red marble, he gets a $2. if cayla pulls a green marble, she gets $3.

How do you reduce 12/30 by 1/2

Maria's age of 17 years less than Orlando's age. The sum of their ages is 33 find their ages.

John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?

A right triangle has an angle that measures 34 and the adjacent side measures 17. What is the length of the hypotenuse to the nearest tenth? F. 20.5 G. 25.2 H. 30.4 J. 34