What is the effect on the graph of the function y=3x^2+4 when it is changed to y=-3x^2+4? A. The graph narrows

B. The vertex moves down the y-axis

C. The graph opens down

D. The graph open up

E. The graph widens

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.