Answer:
y = 5x + 200 im pretty sure
Step-by-step explanation:
Answer:
first problem: 1,2,4
second problem: D
Step-by-step explanation:
Answer:
81
Step-by-step explanation:
Required average= 90
let the required grade be x
Average= Sum of n numbers
90= 89+96+99+85+x divide by 5
450= 369+x
x = 450-369
x=81
Answer:
your question is incomplete