What is the volume of a regular square pyramid with base sides of 10 cm and a height of 12 cm? a. 1,200 cm3 c. 480 cm3 b. 1,440 cm3 d. 400 cm3

the answer is a. hope this

step-by-step explanation:

the answer should be d)400 cm3

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

it would open into a square depending on the type of envelope i’m not sure about the second part