Use the formula for pressure to determine the weight of a box that creates a pressure of 565 n/cm2 when resting on a 15.0 cm2 surface.

weight = 3.84 n
weight = 377 n
weight = 37.7 n
weight = 8,475 n

i dont know sorry

step-by-step explanation:

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.