Such that |x-a|and $x-b|can $a$ be countable? can $a$ be uncountable?

Consider the following matrix. A = 1 k 3 - 5 6 1 Assume that the matrix is the augmented matrix of a system of linear equations. Determine the number of equations and the number of variables.

An item is priced at $14.74. If the sales tax is 4%, what does the item cost including sales tax? A. $20.64 B. $15.33 C. $0.59 D. $30.07

Sharon counted the tires in groups of 2 Which list shows numers she could have named? is it 12,14,16,18 or 8,12,16,21

Each side of a fair, six-sided die has a certain number of dots on it, 1,2,3,4,5, or 6. The die is rolled by a board game player as part of their turn. Identify the correct experiment, trial, and outcome below:A.

Y=4.2x how do i solve this equation

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.