What is it range of this data? {3,3,0,8,7,10,2,6,12,0}

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution