The total surface area of this triangular prism is 928cm
Answer:
lilet is 7 and margie is 21?
Step-by-step explanation:
36-15=21
21÷3=7
21 would be Margies age since its the older age, maybe im wrong i dont know
Answer:
What do you mean by combining terms?
If you have an equation like y=3(2+x), then you would need to substitute for x before you combined the terms "2" and "x"