Find the mistake in this problem: 3(x+2)= 3x+2 a
Should have multiplied the 3 with the 2.
Should have added the 3 and the 2.
There is no mistake in this problem.
Should have added the 3 and the x.
C С
d

Two parallel lines are crossed by a transversal. what is value of x

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?