the value of a certain car after r years is modeled by the expression 150000.7t. What are the initial cost, I, and the rate of deprecation, r, of this car?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

A+b= 17, ab=70, find the value of |a-b|

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =