Answer:
286
Step-by-step explanation:
multiply 13 by 22.
boom
Composite because the factors that go into it ate 2 and 9, 1 and 18, 6 and 3
Mr. Sato needs 9 more magnets. There are 12 total pairs and he has given 9 their magnets. He needs to give three more pairs three magnets each. 3*3 = 9.
4+x=7
Move +4 to the other sign. Sign changes from +4 to -4.
4-4+x=7-4
x=3
Answer: x=3