Sonji has $5.25 in nickels and dimes . the coin value can modeled by the equation 0.10+0.05n=5.25, where d represents the number of dimes and n represents the number of nickels . if sonji has 21 dimes, how many nickels does she have ?

Afunction g(x) has x-intercepts at (, 0) and (6, 0). which could be g(x)? g(x) = 2(x + 1)(x + 6) g(x) = (x – 6)(2x – 1) g(x) = 2(x – 2)(x – 6) g(x) = (x + 6)(x + 2)

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?