7x +39 > 53
AND
16x + 15 > 31

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?