The value of z varies jointly with x and y. if z=4 when y=20 and x=10, find the value of z when x=2 and y=68 1. z=2/3
2. z=17
3. z=0.50
4. z=2.72

Which inequality has a dashed boundary line when graphed ?

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity

Urgent question in mathematics. solve this to get 15 points[tex] {2}^{100} - {2}^{99} - {2}^{98} {2}^{2} - {2}^{1} - {2}^{0}[/tex]a) 0 b) 1 c) 2 d) 2^50