Pls help me with these

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

1/8 3/16 3/4

step-by-step explanation:

you put them as all the same denominator and multiply

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation:

my dude, this isn't answerable due to the fact there is no question or clear desc of what you want them to do.