Simplify if possible.

a/b xy+xy-2 1/2 xy

Find the mean of the following numbers ... -8,3,4,-10,1,-2 A.) - 2 B.) 6 C.) 2 D.) 12

Mark needs to roll a 9 with 2 dice to win a game. how many possible outcomes are there for him to win

5. Solve: (2n - 5) ^2 = 81

You want to put a 5 inch thick layer of topsoil for a new 13 ft by 15 ft garden. The dirt store sells by the cubic yards. How many cubic yards will you need to order? The store only sells in increments of 1/4 cubic yards.

The longer leg of a 30-60-90 degree triangle is 18 what is the length of the other leg

12 times a certain number is 36. What is that number?

Horatio drew a circle with a radius of 6x cm. Kelli drew a circle with a radius of 18y cm. What is the scale factor between these two circles? (this is a quiz question, you will recieve a medal for best answer) A. x/3y B. 2x/3y C. 1/3 D. 2/3

What is the least common multiple {LCM} and the greatest common factor {GCF} of 9 and 12?

Show that cos2x=cosx

Is 3/6 greater than 0/6