Caroline wants to compare the expressions -15-9 and 9 - (- 15) to determine which result is greater. How can she do this without finding the value of each difference? Explain your reasoning.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.