Answer:
-4/9
Step-by-step explanation:
Perpendicular lines have the opposite reciprocals of the parallel line slopes.
Answer: 6 book set = 69.95
Step-by-step explanation:
6 separate books = 14.95 = 6x14.95= 89.70
69.95<89.70, 6 book set is a better deal
Answer:
multiply times 9 Ratio 3:27 or 1:9
Step-by-step explanation:
Figure A has an area of 3 and the area of figure B is 27 so B is 9 times bigger than A
27 / 3
A) 138 because 360 minus 90 plus 90 plus 42 is 138