Answer:
Result: 95040 foot/minute = 1080 mile/hour, so the answer is 95040
3x - 18 = 42
3x = 42 + 18
3x = 60
x = 60/3
x = 20
Answer:
slope equals 2
Step-by-step explanation:
graph points and calculate rise over run

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Answer:
x^2 - (4+13i)^2
Step-by-step explanation:
This product has the form (a-b)(a+b), which is a 'special product' equal to a^2 - b^2. Following this pattern, [x-(4+13i)][x-(4+13i)] = x^2 - (4+13i)^2. The 2nd term could be expanded if desired, but the above result is the most compact one possible.