Jane has 3 dollars per dollar mark has. a. 3 b. dollars c. per d. the sentence references no mathematical operation

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10