the A, B,O blood groups are theoretically explained by three genes . these genes are usually denoted by A, B,O find all possible genetically combination in a zygote.​

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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.