Suppose that y varies directly with x and y = 9 when x = 18 write the direct variation that relates to x and y. y= and find y when x=5

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?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)