2-(5 to the 8th power/5 to the 8th power)

1

Step-by-step explanation:

2-(5 to the 8th power/5 to the 8th power)

= 2 - (5^8 - 5^8)

= 2 - 5^(8-8)

= 2 - 5^0

= 2 - 1

= 1

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

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step-by-step explanation: