Express the following using summation notation 1. Yı + y2+ Y3+ y4+ Ys+ yo
2. (x,-5) + (x2-5) + (x3-5) + (x4-5) + (x5-5)
3. x + xy + xgt x7

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Abag contains 50 jolly ranchers of 30% of the jolly ranchers are green how many green jolly ranchers are in the bag