What is the product of -5x^5(-8x^4-9x-9)

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

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?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6