If f(x)=2+5 and g(x) = 3x^2 +2x +4, what is f(g(2))

Is it true or false i’m trying to pass this test so i can leave school

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

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?