Can anyone help. I’m not sure what the shape is called nor the formula for the shape therefore I can’t find the answer. Any help would be appreciated.

2,255

Step-by-step explanation:

i don't know if i'm right, but you have to separate the shapes. 55-22=33 and 55-35=20

55*33=1,815

22*20=440

1,815+440=2,255

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,