13) Lyla took a test that had 20 questions. The total grade was calculated by awarding 10 points for each correct answer and deducting 5 points for each incorrect answer. Lyla answered all 20 questions and received a score of 125. How many wrong answers did she have?

The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. age (in years) weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 part a: create a scatter plot to represent the data shown above. sketch the line of best fit. label at least three specific points on the graph that the line passes through. also include the correct labels on the x-axis and y-axis. part b: algebraically write the equation of the best fit line in slope-intercept form. include all of your calculations in your final answer. part c: use the equation for the line of best fit to approximate the weight of the little girl at an age of 14 years old.

Solve: 3x+y=6 4x-2y=18 show all work !

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.