Answer:
30-(y*4)
Step-by-step explanation:
replace thirty with 30. less than is - (minus). the product of a number y and four. replace four with 4. the product is the answer of the multiplication problem. so the multiplication problem here would be y*4. so the full answer is
30-(y*4)
You have to subtract 5 from 13
13-5=8 then divide 8 by 2 and get 4
13-5=8 / 2 = 4
so his sister is 4 years old..
I hope this helps
Answer:
cosecx
Step-by-step explanation:

Note that:



Answer:
i think C correct me if im wrong pls
Step-by-step explanation: