Answer:a
Step-by-step explanation:
Answer:
69.75 square inches
Step-by-step explanation:
Add the top and bottom lengths then divide by 2 before multiplying it with the height
1/2x(3+12.5)=7.75
7.75x9=69.75
Answer:
d
Step-by-step explanation:
Answer:
-2 1/4 or -9/4, depending if the question says simplified or not.
Step-by-step explanation:
-11/4 + 1/2
-11/4 + 2/4=-9/4
-9/4= -2 1/4