Answer:
4x and 7x; -3 and 1: these are like terms
Step-by-step explanation:
when finding like terms, look for same variables.
6. X= -32 and 32
7. Y= -3
im not sure on the other questions and i LOVE doing math and im a sophmore in highschool so at least i could help get a couple of them
He should use the dot. As in, copy, dot, flip. By the way, the equation answer is 48.
Have fun!
Answer:
Step-by-step explanation:
<h3>Mean, Median,mode</h3>


<h3>Median:</h3>
Arrange the numbers in ascending order.
176 , 195 , 212 , 234 , 236 , 243 , 247, 248
Number of data is even. So, median will be the average of 234 and 236
Median = average of the middle two terms.

Mode is the data which is occurring more number of times.
Range = maximum - minimum
= 248 - 176
= 72
Answer:
His error is multiplying by 4 sides as he thought it was total surface not lateral surface area- the final answer is 12
Step-by-step explanation:
He should have multiplied it by 3, because the 3 sides- not including the base- is what lateral surface area is. He originally did total surface area not lateral surface area so each sides area is 4m squared then you just multiply it by 3 and its 12