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Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi