Select all that apply.

which quadrilaterals do not have parallel sides?

a. rhombus
b. trapezoid
c. quadrilateral
d. isosceles trapezoid

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?