Oliver's grandfather invested $150 at 5% interest compounded quarterly. when oliver inherited it, the amount was $6000. for how many years had the $150 been invested?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

What is the least common factor of 6 and 8

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?