The temperature of lake water over a period of time is shown in the graph below.
the first temperature is recorded at 9 p. m. at what time is the water at its lowest temperature? a. m.
complete the statement below for the temperature recorded at 7 a. m. after hours have passed, the temperature of the lake water is degrees.

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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)