Ava ran one lap around the track in 45/3 seconds while her friend Kate took 16 27 seconds. Who had the faster time, and by how many seconds? Write your answer in simplest radical form.

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.