Write a quadratic equation for which the graph of the equation opens downward, the vertex is (0, −3), the domain includes all real numbers, and the range is y ≤ −3.

What is the frequency of the sinusoidal graph?

How are sas and sss used to show that two triangles are congruent?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?