Evan has already baked 29 pies, and he can bake 1 pie with each additional cup of sugar he buys. how many additional cups of sugar does evan need in order to back a total and f 39 pies?

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Find the zeros of each function. f(x) = x^2 + 5x - 6