Find the greatest common factor and the least common multiple of 16 and 20. The prime factorizations of each number are given. 16 = 2 × 2 × 2 × 2
20 = 2 × 2 × 5

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

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)

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n