Answer:
ok first was there any brackets if so they are vital to include.
on your question paper does it say anywhere. X=.... or Y=....
Remember PEMDAS! Do the parenthesis first so 4x5 is 20. So now write it out as 7^2+20-2^3 now next is exponents. 7x7 is 49 and -2x-2x-2 is -8. now write it as 49+20+-8. Now solve from left to right. 49+20 is 69 now subtract 8 which is 61. 61 is your answer! I hope this worked!
24 numbers are inbetween 20 and 45.
Answer:
perimeter is the outside, 7+7+2+2= 18
Step-by-step explanation:
18.10=18.1
The 0 in 18.10 does not affect the place value
