Luna has n colored cards. Some are red and some are blue. The ratio of the number of red cards to the number of blue cards is 5:2. Luna has 60 red cards. • Find a equation that can be used to determine n, the number of cards Lunas has.

Draw a bar model (optional) to help you solve the problem

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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?