Read the following statement. if it is tuesday, then he will work after school. what is the inverse of this statement? 1. if he works after school, then it is tuesday. 2.if it is not tuesday, then he will not work after school. 3.if he does not work after school, then it is not tuesday. 4.if it is not tuesday, then he will work after school.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

State one method by which you can recognize a perfect square trinomial.