How do you tell if a shape is congruent or not

Simplify 1/3a+8-8-1/3a

In a game, William and Mary take turns choosing cards at random from a bag. Each card shows a "W" or "M". A player chooses a card, records the letter, and puts the card in a discard pile. Are the letters drawn independent or dependent events?

Two airplanes leave the airport at the same time, flying in opposite directions. One plane flies 150 miles per hour faster than the other. After 4 hours, they are 2,200 miles apart. What rate are they each flying?

How many whole numbers less than 500 can be formed using the digits 1, 2, 4, and 5?

How to write 19*1,000,000 in exponents

What is the length of the second base of a trapezoid if the length of one base is 24 and the length of the mid segment is 19

14 is a gcf of M AND 210. what are the possible values of m

The busty bee book club charges an annual membership fee of $10 and $4 per book you order. what will be your total cost of being in this club when you order 9 books? write an function rule for the total cost C (n) when you order n books.

Find the zeros of the quadratic function. Solve by factoring. x^2+14x=-45

Which property is shown? If m ABC = m CBD, then m CBD = m ABC reflexive property substitution property symmetric property transitive property