The density of a block of wood with a volume of 50 cubic centimeters and mass off 100 grams

a. 2 g/cm3
b. 0.5 g/m3
c.500 g/cm3
d. 5000 g/cm3

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie