Which is likely to have a mass close to 3 kilograms a: a five year old child b: a bowling ball c: a lemon d: an adult lion

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.

Solve the system of equations. y= 2x y= x^2 - 15

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5