Which pair of ratios can form a true proportion 1. 1/2, 6/10 2. 6/8,5/20 3. 3/5,6/10 4. 3/9,7/80

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Need same math paper but the back now i hope your able to read it cleary i need with hw

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.