What is an equivalent expression for x^-3 that uses positive exponents

Solve and explain how you got the answer: Seven days ago, the gas tank on rosa's car was filled with 20 gallons of gasoline. Today there are 6 gallons of gasoline.

6.6666 to the nearest thousandths

Curtis just recieved a raise at work increasing his salary by $8,500. He knows that an increase in salary will increase the amount of federal income taxes withheld from his paycheck.

Explain liquid chromatography

Nathan and Jorge are working on a decimal division problem in math class. After finishing the problem, it looked like this: 4.76: 2.5 = 0.19. Nathan said that the decimal is incorrectly placed in the quotient, and Jorge disagrees.

An ordered set of numbers or objects is a

Evaluate the expression when c = 6. 2² - 8c+5=

One cup of dog food weighs 1 4/5 ounces. A police dog eats 6 1/3 cups of food a day. How many ounces does the dog eat each day.

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Mary needs a 90% on her final exam to get an a for the quarter. The exam has 75 questions how many questions does Mary need to answer correctly in order for her to get an A