What is 7/3 times 2/3 multiplied in simplest form

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units