Xavier centor works on an 8 hour a day. he is paid $13.69 for for regular time and time and a half for any hours over 8 hours a day. xavier worked these hours last week: monday 9 3/4 tuesday 8 wednesday 6 thursday 8 1/2 friday 8, what's xaviers gross pay for last week

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Given abcd ac=38 and ae=3x+4 find the value of x

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?