What is the value of the expression 5y ² + 4x when x = 2.5 and y = 3?

The answer is 40

Step-by-step explanation:

5*3=15

15*2=30

4*2.5=10

So 30+10=40

Hope this helps!!

y= 225 and x= 10

Step-by-step explanation:

You will have to replace y with 3 so it will be 5 times 3 then 15 to the second power to get 225. Now replace a with 2.5 to do 4 times 2.5 to equal 10.