Which statement is sometimes, but not always, true?

a. a trapezoid is a quadrilateral.

b. a parallelogram is a rectangle.

c. a rhombus is a parallelogram.

d. a rectangle is a polygon.

Using the given statements, state whether the conditional statement is true or false. p: 2 + 2 = 4 q: 7 + 1 = 7 is p q true or false?

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?