The heights of 3 houses plants are 1/8 ft, 3/8ft, and 7/8 ft tall using bench mark fractions, which of these is closet to 1/2 ft tall

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

When y’all answer can y’all explain too !

If f(x)=x+7 and g(x)=1/x what is (fog)(x)