Question

In a tennis coaching camp, 1500 children are trained out of which 1200 are selected for various matches. What is the ratio of non-selected children to the total number of children?

a. 300:120
b. 15:2
c. 1:5
d. 120:300

Answer 1

Answer:

c. 1 : 5

Step-by-step explanation:

i hope it helps you

iif it helps then pls mark me the brainliest pls

Answer 2

We can directly solve:

=> f(-3) = a(-3)^4 – b(-3)^2 + (-3) + 5 = 2

=> 81a – 9b + 2 = 2

=> 81a – 9b = 0

Now solving f(3),

=> f(3) = 81a – 9b + 8

=> f(3) = 0 + 8 = 8(Answer)

Step-by-step explanation:

please I need your brainlist taf