ANSWER PLEASE WITH EXPLANATION
Find the area of a triangle if the segment made by the chord which subtends 1200 at the centre of a circle
of radius 15 ft has the area 138 ft2.

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.