Rewrte each sum as a product of the gcf of the addends and another number.
2. 15+45
3. 9+27

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

What is the prime factorization of 23 ?me with this question