A gift box measures 4.5 cm wide, 2.5 cm deep and 7 cm high. The gift has a volume of 50 cm cubed. After the gift has been packed in the box, how much space has NOT been used?

28.75 cm^3 of space not used

Step-by-step explanation:

The volume of the box is

V = 4.5* 2.5 * 7 =78.75 cm^3

The gift takes up 50 cm^3

Subtract

78.75-50 = 28.75 cm^3

There is 28.75 cm^3 of space not used

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )