Algebra 1 ) U. Checkpoint: Systems of equations and inequalities LOW Write a system of equations to describe the situation below, solve using any method, and fill
in the blanks.
Clare plans to attend the Hamilton County Fair and is trying to decide what would be a better
deal. She can pay $39 for unlimited rides, or she can pay $15 for admission plus $3 per ride.
If Clare goes on a certain number of rides, the two options wind up costing her the same
amount. How many rides is that? What is that cost?
If Clare goes on
rides, the two options will both cost $

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.