of a number when multiplied by of the same number gives 338. What is the number?

i) 18                                   ii) 24

iii) 36                                 iv) 26

i) 25.034                                 ii) 25.304

iii) 25.64                                  iv) 25.0034

,

then is equal to

i)                                        ii)

iii)                                       iv)

[(- 2)^(-2) ]^(-3)  is equal to
1) 64                    2)
3) - 64                  4)

The mirror image in the following case in

A Tangram is a shape that is divided into different pieces, which can then be rearranged to make lots of shapes. The first tangram was invented in china and is as given below:

Identify the quadrilaterals and triangles in the shape and name the type of each one, Create another shape using the different pieces given in the given shape following the rule: Whole side must match whole sides with edges meeting each other.

Check whether (x +1) is a factor of the polynomial. x⁴ + x³ + x² -5x +1.
Justify your answer