Solve the system of equations using substitution 4x+y=23 y=x+8

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)