Hw w4-3 define a relation r on the set of all integers z as follows: vm, n e z, m rn vp e z, prime p, pm → pln is r a partial order relation? prove or give a counterexample.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount