Mrs. singh bought 9 folders & 9 notebooks. the cost of each folder was $2.50. each notebook cost $4. write two equivalent expressions & then find the total cost.

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.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Ineed with math stuff it involves graphs