40points for this)the temperature at the end of the day was 64 degrees. the temperature had increased twice during the day, once by 8 degrees and another time by 4 degrees. which expression shows what the temperature was at the start of the day? 64 – 8 – 4, 64 + 8 – 4,64 – 8 + 4, 78 + 5 + 7

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

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?