Skype charges a caller $.30 per minute to call a landline in cambodia. how many minutes could a caller talk if they only had $21.00 to spend?

70 minutes

Step-by-step explanation:

i thinks it might be a i dot and  left if your graphing

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are