Eldar cooks lasagna and spaghetti using pesto sauce. let l represent the number of batches of lasagna and s represent the number of batches of spaghetti that eldar can cook with the amount of pesto sauce he has. 0.9l+0.3s \leq 60.9l+0.3s≤6

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Find the domain and range of the following function f(x) = 51x - 21+ 4