Julie had $10.00 in her savings account when she earned $23.50 doing errands for her next-door neighbor. Julie used her savings and her earnings to buy a new pair of shoes that cost her $27.75. How much did she have left in her account after she bought her shoes?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?