How do you round the numbers 33 and 89 to estimate there sum

You'd round 33 to the nearest ten which is 30 and 89 to the nearest ten which is 90. And the sum? well, 30+90=120! I hope this helps!

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.