Answer:216 cm
Step-by-step explanation:
Step 1:Find the base and height base:18 cm height:12 cm.
Step 2:Multiply the base and height 18 cm*12 cm=216 cm.
Step 3:Answer 216 cm.
Answer:
6:30
Step-by-step explanation:
20+16+6= 42
72-42=30
there are 30 rocks that are slate
The denominator is the one on the bottom so 9 is the denominator the top is the numerator
Answer:
x = 5
y = 4
Step-by-step explanation:
multiply the second equation by -1 and add the first equation to eliminate "x"
_____________
Replace "y" in the first equation:
Hope this helps