Here is a list of numbers. -45
-21
-16
12
33
40
a) Write down two numbers from the list that add up to -9.
b) Write down two numbers from the list that have a difference of 29.
c) Work out the sum of all the numbers in the list.
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(a): -21 and 12.

(b): -45 and -16

(c): 3.

Step-by-step explanation:

(a): -21 + 12 = -9.

(b): -45 - -16 = 29.

(c): -45 + -21 + -16 + 12 + 33 + 40 = 3.

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula

the answer is $42.96

step-by-step explanation: