Which equations model exponential decay? Select each correct answer.
y=8(0.28)^x
y=0.34(0.98)^x
y=6(2.1)^x
Y=0.75(1.21)^x

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.