Porfavor ayudenme con esto (2x^2 + 7y^4)^3

How to solve a simultaneous equation involved with fractions?

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?