The probability that jenya receives spam email is 4 percent. if she receives 520 emails in a week, about how many of them can she expect to be spam?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?