(answer me asap ) a whole number has the property that when half the number is added to 15, we get the number itself.(translate it to a algebraic expression.)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?