Which of the following best describes the sum of the areas of all non-base surfaces of a three-dimensional figure?

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Which of the following contains a variable?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m