Find the value of 5(a-4b)when a=-7 and b=1/4

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.