X2+y2=y is written in polar form as r =
R = 3sinA is written in rectangular form as x2+y2 =

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?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]