James is four years younger than austin. if 2 times james age is increased by the square of austins age, the result is 28. find the 2 ages. use an algebraic solution

Simplify the expression 10/11(22z) + (a+5) -1

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %