Astudent usually saves $20 a month. he would like to reach a goal of saving $350 in 12 months. the student writes the equation 350=12(x+20) to represent the situation. solve the equation for x.

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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 %

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.