At a store, a hat has a regular price of a dollars. during a sale, the price of that hat is discounted by 20%.the expression 0.8x describes the discounted price in dollars of the hat?

Yes

Step-by-step explanation:

Hi, the statement is correct.

If the regular price of a hat is "x", and it has a discount of 20%, to obtain the discounted price we have to multiply the original price (x) by 80/100.

Since 100% is the full price, we have to subtract the 20% percent discount:

100%-20%=80%

The hat discount price is 80% of the original price.

Decimal form of 80% =80/100= 0.8

Discounted price: x (80/100) = x 0.8

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.

where are the choices?