What is the perimeter of quadrilateral dobc

What is the value of x in the following equation. -x ^3/2 = -27

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?