Which result will be positive?
-5 - (-3)
5 - (-3)
18 ÷ (-6)
6 × (-2)

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

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?