What is the absolute deviation for 11 in the data set? {11, 10, 9, 12, 10}

0.6
0.4
1.4
1.6

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

What is the solution to the equation 9^(x+1) =27