Evaluate the expression for the given value of the variables. 0.9c- 2.7d
c=13, d=2
0.9c- 2.7d= (Type an integer or a decimal.)

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.

if the probability is 1/12, 75 people will receive a $25 gift card

step-by-step explanation:

kekdkdkccc

so

step-by-step explanation:

kekdkckcldlx