If 90 Km divided in the ratio of 1:2:3 what is the shortest distance?

Guys how to solve the vertex of this equation? y=3x²-14x-5​can you help me?

2.3.how much money did mr. valera deposit to his bank account it amr. valera deposit to his bank account if at the end of a year, it earnean interest of p402.50 at 3.5% interest rate? richie borrowed some money from carlo. carlo gave him p2,000.carlo. carlo gave him p2,000.00 and richie promisedto pay him back after 6 months with a 2% per month interest rate. hownth interest rate. how much will richiepay back carlo? a salesman has a basic salary of p4,500.00 a month. he gets a conp4,500.00 a month. he gets a commission of 6% on allsales above p50,000.00. how much did he get in a month when his salesne get in a month when his sales amounted top497,550.00? if p is 120% of q, then q is what percent of p? arnel invested p30,000.00. one part at 15% simple interest and the rest at 10%. after twoyears, the amount invested at 15% earned p3,000.00. if the total income from both invest-ment after two years was p7,000.00, how much did he invest at 10%? 4.​

National disaster risk deduction council volounteers are busy during calamities translate it to if then form plss