A submarine begins at -215 feet below sea level. If the sub travels at 20 feet per minute, how many minutes will it take for the sub to rise to the surface and then descend to -104 feet?

hope this .

r3t40

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation:

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

k

step-by-step explanation:

domit