Which expression has the same value as -18÷(-9)? A-18-2

B-12÷(-3)

C-10÷5

D-6÷(-4)

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Find the value of the cosine for angle a

How are sas and sss used to show that two triangles are congruent?