Perform the following operations and prove closure. Show your work.
SHOW WORK
x
x+3
+
x+2
x+5

x+4
x2+5x+6
•
x+3
x2−16

2
x2−9
−
3x
x2−5x+6

x+4
x2−5x+6
÷
x2−16
x+3

Compare and contrast division of integers to division of rational expressions.

Which number line correctly shows 0.8 + 0.3?

Analyze the diagram below and complete the instructions that follow. how to find tan

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.