Higher Order Thinking a. Simplify the expression (-13.2) + 8.1

b. How are (-13.2) + 8.1 and 13.2 + (-8.1) related? Explain without computing.

c. Using a property of operations, what can you say about the sum of the two expressions?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

One of the solutions to x2 - 2x – 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5