×PLEASE HELP 2 MINS LEFT 30 POINTS× Which pair shows equivalent expressions?
2(2/5x+2)=2 & 2/5x+1
2(2/5x+2)=4/5x+4
2(2/5x+4)=4/5x+2
2(2/5x+4)=2 & 2/5x+8

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.