The answer is x=3 because abt+tbc=abc
Answer:
a) 1790 b) 1.79
Step-by-step explanation:
a) you just add to get the perimiter 2(900) + 2(400) to get 1790
b) 1000 meters makes a kilometer so we divide by 1000 and get 1.79 for the kilometers
An example of the difference of squares would be: a^2-b^2 = (a+b)(a-b)
19: He multiplied instead of dividing which will make a totally incorrect answer
