Erin and christa were working on cubing binomials for math homework. erin believed they could save time with a shortcut. she wrote down the rule below for christa to follow. (a + b) -a + b3 does erin's shortcut always work? justify your result algebraically.

x=-2

infinite number of lines, so there is an infinite number of equations.

step-by-step explanation:

there are an infinite number of line that passes through the point (-2,5)

x=-2   is one line that passes through the point

y = 5 is another line that passes through the point

(these two lines are perpendicular to each other).

since the number of   numbers are infinite and the slope is the ratio of two numbers,(change in y over change in x) we can have an infinite number of slopes.     our only condition is that it passes through the point (-2,5)

the thermometer is precise but not accurate

step-by-step explanation:

his chances of getting a coin of higher value is 4/19

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol