Write an algebraic expression to find the sum for each situation.
4. the varsity football team gained 7 yd on one play and then lost 4 yd.
5. the airplane descended 140 ft and then rose 112 ft.
6. the squirrel climbed 18 in. up a tree, slipped back 4 in., and then
climbed up 12 in. more.
7. the temperature was 72°f at noon. at midnight a cold front
moved in, dropping the temperature 12°f.

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

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