A, C and E lie on a straight line segment. B, C and D lie on a straight line segment.
ACB = 68° and CDE =39 degrees
work out the size of the internal angles below.
This diagram is
not drawn to scale

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

What is y times x by? y is __ times x

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.