Is 9a^3-27 a perfect cube

Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which statement comparing the two swimmers is accurate? 1 mile 1,609 meters

1. Jessica rode 9 miles farther than Roger rode. Let r represent the number of miles Roger rode. Write an expression for the number of miles Jessica rode.

Solve the equation 5 (z-4) - z=4z-20

The diameter of a circle is 14 feet. Exactly how far from the center of the Circle is a chord that is 6 feet?

What is 2/22 simplify

This year fifth grade collected 216 fewer plastic containers than the fourth grade. How many plastic containers did the fifth grade collect

Bruce has a pet worm that fell into a well. The well was 37 feet deep. Each day, the worm climbs up 7 feet, but each night, it slides back down 2 feet. How many days will it take Bruce's worm to get to the top of the well?

Olivia has taken an initial dose of a prescription medication. The relationship between the elapsed time T, in hours, since she took the first dose, and the amount of medication M (t), in milligrams (mg), remaining in her bloodstream is modeled by

40:14 The longest side of an obtuse triangle measures 20 cm. The two shorter sides measure x em and 3x cm. Rounded to the nearest tenth, what is the greatest possible value of x? LE 6,3 6.4 Mark this and return Save and Exit Next Submit

Simplify. Assume that no denominator is equal to zero. (2a/a^2) ^-3 A) a^3/-8 B) a^3/8 C) 8/a^3 D) 1/8a^3