Seventy percent of adults ages 50 and older want to reach their 100th birthday. You randomly select nine adults ages 50 and older and ask them whether they want to reach their 100th birthday. The random variable represents the number of adults ages 50 and older who want to reach their 100th birthday.

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

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?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c