An MP3 player costs $40, and a sales tax of $2.40 is added to the cost. What is the sales tax rate? (answer in %)

A hyena can run one fourth of a mile in 22.5 seconds at this rate which equal Asian can be used to determine how fast a hyena runs in miles per hour

You are going to play mini golf. A ball machine that contains 21 green golf balls, 24 red golf balls, 21 blue golf balls, and 19 yellow golf balls, randomly gives you your ball.

What is the volume of a cubic crystal with one face that has an area of 9 cm²?

In which of the following circles are the approximate values of the area and circumference the same? A. a circle with a radius of 2 feet B. a circle with a diameter of 2 feet C. a circle with a radius of 4 feet D. a circle with a diameter of 1 foot

Joe wrote the number 2 1/2and 3 1/7 and 1 and 5/6 in the what is a greatest numerador that Joe wrote

Is 0.7 greater than less than or equal to 7/9 show your work!

The scale drawing of a flower bed has the dimensions of 3 inches by 7 inches. The dimensions of the actual flower bed are 36 inches by 84 inches. What is the scale factor used to find the dimensions of the drawing?

What is the equation of the line in standard form which has slope - 2/5 and y-intercept 10?

A bag contains five red marbles and four blue marbles. A second bag contains four green marbles and five yellow marbles.

Radium-226, a common isotope of radium, has a half-life of 1,620 years. How many grams of a 120-gram sample will remain after t years?