Which best describes the accuracy of Kendra’s solution?

Her solution is correct.

Her solution is incorrect. She subtracted before squaring.

Her solution is incorrect. She made an error when substituting the x-values into the equation.

Her solution is incorrect. She made an error when substituting the y-values into the equation.

Nine more than four times a number is the same as one less than twice the number. find the number?

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 %

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40