Answer:

Step-by-step explanation:
-The total volume will be the sum of the volumes of the triangular section plus the rectangular section.
#Volume triangular section:

#Volume rectangular section:

#Total volume of the doorstep:

Hence, the doorstep's volume is 
Answer:
96.9 and 22.5
Step-by-step explanation:
I multiplied. I don't know if you need to add them,but there.
I believe I'm correct,if not I'm sorry.
<span>The trigonometric function cosecant is written as csc θ. For acute angles, csc θ can be found by the SOHCAHTOA definition, shown below on the left. The circle definition, a generalization of SOHCAHTOA, is shown below on the right. f(x) = csc x is a periodic function with period 2π.</span>
That is just multiply the number of choices for each
5 colors
2 lengths of sleaves
3 colors
5*2*3=30
answer is 30
C is answer