2. If r=7 is a solution to -6r+18=k(x-15), then which of the following must be the value of K? (1)-8
(3)3
(2) -4
(4) 11

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Identify the number 127 as a rational or irrational. explain