The cost of a 4 pack of sodas is $5.56. What is the
constant of proportionality
that relates the cost in
dollars, y, to the
number of sodas, x?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2