Use the sign ratio to deride a relationship between angle inside measures in a triangle

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Two lines intersect and two of the vertical angles measure 115°. what is the measure of the other two vertical angles? 65° 85° 90° 245°

Julius went on a volunteer trip to centralamerica and took medical supplies with him. he packed a bag with 50 pounds of supplies. he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?