Find the area of this parallelogram.
1
Height=9 cm
Side=12 cm
Base=21 cm

189sq.cm

Step-by-step explanation:

Area of a parallelogram = b×h

= 21× 9

= 189 cm^2

189cm²

Step-by-step explanation:

Area of parallelogram

A=bxh

21cmx9cm=189cm²

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

i believe it is c.y = 9x

rise over run. 9 units up over 1 unit right or 9/1