Carlito has only nickels and dimes. if he has a total of 13 coins and the total value of the coins is $1.05, how many dimes does he have?

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 +"

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Find the area of the regular hexagon if a side is 20 cm.