What is 1+1 Please reply my half-yearly exam will start in 2 minutes
please help me
So hard to solve
please do with steps as it is very important in board exam

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm