Which larger shape would be made if the two sections are fitted together?.

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

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?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)