What is an expression which combines variable, numbers, and at least one operation

A tiny pebble is dropped onto a square surface. If it is equally likely for the pebble to land anywhere inside the square, what is the probability that all or part of the pebble will come to rest inside the circle? Use 3.

Rationalize the denominator of square root of negative 16 over open parentheses 1 plus i close parentheses plus open parentheses 6 plus 3 i.

Why is a square always a rectangle but a rectangle is not always a square

Write a story to match the following equation: 15x+2=5

During spring training, Ramons doctor told him that he must drink one quart of water for ecery 3 hours of training he put in. If Ramon drank 3quarts of water each week during the six weeks of training, how many gallons of water did he drink?

Which relation is a function? A. (3,4), (3,3), (1,2), (1,5) B. (3,4), (2,4), (5,1), (3,5) C. (1,3), (2,6), (3,9), (4,12) D. (1,4), (1,3), (1,2), (1,1)

The cost of a video game is $29.95 sales tax is 6% about how much will the video game cost including tax

A bouquet of flowers costs $17.95. If a customer has a coupon that allows him to save $3.75 on the price of the flowers, how much will he pay for the flowers?

The sum of two numbers is 24. One number is 8 less than the other number. let x and y be the two numbers. What are the two numbers.

How to define trigonometric ratios