Three friends agree to save money for a graduation road trip. they decide that each of them will put 50.25 in the fund on the first day of may, $0.50 on the second day, $0.75 on the third day, and so on. at the end of may, there will be sin their fund. (hint: there are 31 days in may.)

What is the absolute value of the complex number -4-sqrt2i

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?