Answer:
mat hhway u gives all the answers
Step-by-step explanation:
10 + 5xy = -80
10 + 5xy = ?
x = 9 and y = -2
10 + 5xy = 10 + 5(9)(-2)
= 10 - 90
= -80
5+4 = 9
6+4 = 10
7+4 =11
Answer: 45