18. just subtract 49.6 from 54. 54 - 49.6=4.4 He most lose 4.4 pounds.
19. all you need to do is add 4.6 to 83. 83+4.6=87.6 She will weigh 87.6 pounds
20. divide 910 by 7. 910÷7=130 The dog ate 130 grams per day
21. multiple 4.95 by 5. 4.95×5=24.75 Her total bill was 24.75
22. subtract 12.96 from 20. 20-12.96=7.04 Her change was 7.04
Answer: the probability that the family has x male children can be found in the explanation.
Step-by-step explanation: Please find the attached file for the solution
there are only 2 possible common tangents to circles A and B can exist
ok done. Thank to me :>
That would actually be 6*s^2
area = 6 * 8^2
area = 6 * 64
area = 384