Which polygon appears to be regular? figure a is a square. figure b is a parallelogram. figure c is a right triangle. figure d is a trapezoid.

Prove that quadrilateral is a rhombus.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

What is the graph of the absolute value equation ? y=|x|-5