How do you change -3 in x^-3 to be positive?

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15