on the weekends maria spends 2 1/2 hours on a project for social studies and then spends 1 1/3 hours on a writing assignment and 1/4 hours on a math assignment what is the total amount of time maria spends on this work??

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.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45

answer: your gay

step-by-step explanation:

you dont know math

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.