Valentina rented skis for $25, then took lessons that cost $9 per hour. The total cost to rent skies and take lessons was $46.25. Write an equation and draw a tape diagram that can be used to determine how many hours of ski lessons Valentina took.

49xy +34y - 72z. determine the degree of the polynomial

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)