When Sally picks any number between 1 and 20, doubles it, adds 6, divides by 2 and subtracts 3, she always gets the number she started with. why?

What is the vertex form of the parabola whose standard form equation is y=5x^2-30x+49

a golfers score after playing on Friday was + 2. His score saturdays round was - 5. At the wnd of his round on Sunday he was at even par, or 0.

Which is greater 6.25l or 625ml

a game, which costs $1 to play consists of drawing a card from a deck of 52 cards. if the card is an ace, you win $5. if the card game is a face card, you win $2. And, if the card is any other card you lose. what is the dealers edge in this game?

A baseball weighs 6 ounces. Find the weight in pounds.

4. Angles are measured in units of

The rental car holds 22 gallons of gas and gets 20 miles per gallon. The trip to Ellis City is 1760 miles. How many times will the car need to be filled up to make the trip?

Maria said, the 4 in 400,00 has a a value of 400. Is maria correct? Explain

What are the converse, inverse, and contrapositive of the following true conditional? What are the truth values of each? If a statement is false, give a counterexample. If a figure is a rectangle, then it is a parallelogram.

One leg of a right triangle is five feet more than the other leg. If, the Hypotenuse of the right triangle is 15 feet, what is the length of each feet?