Diane made $128 for 8 hours of work at the same rate how many hours would she have to work to make $192

12 hours of work

Step-by-step explanation:

$128 > 8 hours of work

$1 > (8/128 ) hours of work

$192 > (8/128 ) x 192 = 12 hours of work

1/4 because there is 4 grades.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d