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136 + ? = 255

Peter buys a small wind turbine for use on his farm. It generates 13,000 kWh of electricity in the first year. He uses 7,570 kWh of electricity and sells the remaining kWh to his energy suppliers. He receives £412.68 for the electricity he sells.

Values of x in the equation 10x^2-64=36+6x^2

Provide three different examples of how minerals can form on earth.

A bus travels 32 kilometers in 30 minutes. How far will the bus travel in 4 hours at that speed?

Which exponential expressions are equivalent to the one below? Check all that apply. (4*8) ^15 A. (4*8) 15 B. 4^15*8^15 C. 4^15+8^15 D. 32^15

11. A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is $16.65. Find the number of each coin.

How to identify the independent and dependent variable?

Which expression is less than - (-|-4.2|) ? a. |-4.2| b. - (-4.2) c. - | - (-4.2) | d. | - (-4.2) |

A taxi charges a flat rate of $1.75, plus an additional $0.65 per mile. If Erica has at most $10 to spend on the cab ride, how far could she travel?

A stadium can hold 20,000 people when it is full. The table below shows the number of people that attended concerts at the stadium over a 3-day period.