Johnny saved $4.45 by collected only nickels, dimes, and quarters. if he has a total of 30 coins and if the number of quarters is four less than the sum of the nickels and dimes, find how many nickels, dimes, and quarters johnny saved. (use n, d, q)

all it means is function 3

answer: yard ramps with a level off platform are typically 36 feet long. truck, rather than at an angle, enabling access to those pallets at the very back of the truck. if you are using your yard ramp to convert a loading dock into a drive-in door, we even at 60 inches (5 feet) high and a 30 foot ramp, the slope of the ramp will be less

step-by-step explanation:

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8