Please help me and show ur work (multiple choice)m

A

Step-by-step explanation:

This is a 45 45 90 triangle since it has 45 and a 90 degree angle so using triangle interior theorem, the third angle is 45.

The legs of a 45 45 90 triangle are congruent so only A is right.

But since you want the work

The length of the hypotenuse in 45 45 90 triangle is sqr root of 2 times more than both of the legs so

let divide sqr root of 2 by the hypotenuse to find the legs.

To check our work let use the pythagorean theorem, since it a right angle

so it is correct.

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation:

step-by-step explanation:

1