How many triangles can be constructed with side lengths of 7 cm, 10 cm, and 18 cm?
a. 0
b. 1
c. 2
d. an infinite number

a zero

Step-by-step explanation:

it is because it can not be equal to or less then other wise it will not work it has got to a higher and 7+10 is 17 not 18 so a

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this