Plz hurry it's !
eric has only pennies and dimes in his coin collection. he has 5 times as many pennies as dimes.
which is an expression for the number of coins in his collection using d for the number of dimes?
0.01d+5(0.10d)
0.01d
5d
6d

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

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 +"

I’m still confused on how to work the percentages