Which ratios form a proportion? a. 4/12, 6/8 b. 16/12, 3/4 c. 3/2, 15/14 d. 10/16, 5/8

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

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