The rule r₀90⁰t-₁(x, y) is applied to ⊿abcd to produce ⊿a′b′c′d′. point b″ of the final image is at (-4,1)

Which expression is equivalent to? assume x > 0 and y > 0.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

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?