An isosceles trapezoid has shorter base of measure a, longer base of measure c, and congruent legs of measure b. the perimeter of the trapezoid is 58 inches. the average of the bases is 19 inches and the longer base is twice the leg plus 7. find the lengths of the sides.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?