What is the common difference for this arithmetic sequence?
45, 40, 35, 30, 25, ...

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

Agame has a rectangular board with an area of 44 in2. there is a square hole near the top of the game board in which you must not toss in a bean bag. the square has side lengths of 3 in. what is the probability of not tossing the bag through the hole? a)9/44 b)3/9 c)3/44 d)35/44