Ruth bought cutter s and screwdrivers to upgrade the computers in her company. a cutter costs 15.2$ and a screw driver costs $2. she bought a total of 29 tools and spent 150.40$. how many of each tool did ruth buy?

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

Suppose that f(0) = −3 and f '(x) ≤ 8 for all values of x. how large can f(4) possibly be? solution we are given that f is differentiable (and therefore continuous) everywhere. in particular, we can apply the mean value theorem on the interval [0, 4] . there exists a number c such that

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds