Solve in real numbers the equation
\displaystyle \-x+sqrt{1-x^{2}}\-=sqrt{2}\left(2x ^{2}-1\right)\-x+sqrt1−x
2
\-=sqrt2(2x
2
−1).

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

With finding limits of multi variable !

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply