The one digit of a two digit number is one less than the tens digit. One-half the sum of the ones digit and double the tens digit is 13. Find the number and show your work.

Sally was given the equation 2x+3=11 what did she do wrong, what is the true value of x

If the values of x are 2, 5, 3, 7, and 9, what is the value for σ (x-2+4) ?

14. The Great Wall of China's total length is 21,196 kilometers long. During the Ming Dynasty (1368-1644) it was 8,851.8 kilometers long, and there is about 526 kilometers lying in Beijing.

it cost $15 to wash your car and $25 to wash a bus. there are a total of 15 Vehicles washed for $295. how many of these vehicles were buses

A German Shepard puppy weighs 9 pounds and is gaining 5 pounds each month. A Great Dane puppy weighs 11 pounds and is gaining 4 pounds each month.

Susan is waitress at the country club restaurant. She receives an automatic tip of 15% which is added to the members check for the meal. If she earns $2.5 an hour, works 20 hours this week and has served meals costing $325, what is her gross pay?

Use the following for long division x^2+3x+1sqrt 3x^4+7x^3+2x^2+13x+5

A number plus 17 is 25

293.08 + 14 + 2.719 =

The factory workers make 751 toys per day if they work 5 days per week how many toys will the workers make in 3 weeks