Solve the system of equations 4x+8y=44x+8y=4 and -2x-7y=-11−2x−7y=−11 by combining the equations.

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The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.