You and your friend are saving for a vacation. you start with the same amount and save for the same number of weeks. you save $75 per week, and your friend saves $50 per week. when vacation time comes, you have $950, and your friend has $800. how much did you start with, and for how many weeks did you save? a. $500, 6 weeks b. $600, 4 weeks c. $650, 3 weeks d. $700, 2 weeks

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Aregular hexagonal pyramid has a base area of 45 in2 and a lateral area of 135in 2. what is the surface are are of the regular hexagonal pyramid