I need help for algebra 2, this should be fairly easy

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.

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

What is the slope of the line shown below?