Answer:
Step-by-step explanation:
Write a system of equations to model the situation. Add the equations to eliminate the y-term and then solve for x. Substitute the value for x into one of the original equations to find y. Check your answer by substituting x = 8 and y = 2 into the original system.
Answer: 220 miles
Step-by-step explanation: If she travels 55 miles per hour, for four hours, then you need to do 55 times 4. The answer is 220.
Answer:
3k^3 + k^2 - 4k
Step-by-step explanation:
k * 3k^2 = 3k^3
k * k = k^2
k * -4 = -4k
3k^3 + k^2 - 4k
Answer:
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Answer:
5 outside of the square root symbol and 625 on the inside