Opal makes $15 per hour working for a photographer. She also coaches a competitive soccer team for $10 per hour.
Opal needs to earn at least $90 per week, but she does not want to work more than 20 hours
per week.
Define the variables and write a system of inequalities to represent this situation

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.

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).