Lianne has some dimes and nickels with a total value of 4.60. the number of times she has is 4 more than 3 times the number of nickels. how many nickels does she have ?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Can someone me find the original price? the discount is 5% and the sale price is $68.40

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot