Alyssa collects coins. ¾ of her coins are quarters, ⅔ of the remaining coins are dimes. The rest were nickels. There were 12 nickels. How many coins were in Alyssa’s collection?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show