Answer:
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!!
Answer:
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.