Answer:
4.5
Step-by-step explanation:
12x=54 x=4.5
4.5×12=54
4 1/2 inches
if you have an area of 54 square inches. Then you divide 54 by 12 and get 4 and 1/2 square inches
subtract 2 from both sides
if you subtract 2 from both sides you will get k=3
8x+30=110
8x=110-30
8x=80
x=80/8
x=10
144.78 cm
57 times 2.54
i think d) -25 is answer
good luck
9.78778777 is an irrational number.
