If b=16 degrees 45' and c=13

a.
12.4
c.
16.2
b.
14.5
d.
18.4

What is the definition of exponential decay?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)