A vase in the shape cube measures 8 inches on each side. the vase is half full with water. how many cubic inches of water are in the vase?

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?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?