Answer:
153.94cm squared
Step-by-step explanation:
π×7×7
=153.93804
=153.94cm squared

Step-by-step explanation:
As per the question, 15 times 15 i.e. 225

225 divide by 20 i.e. 11.25

take away five from the 11.25 then it will be 11.2
Add 100 to 11.2 i.e

Answer:
(6,3)
Step-by-step explanation:
8 hours 2 minutes. if you add 8hours to 10:13 you get 6:13 then just add 2 minutes and you will have 6:15 p.m
Answer:
Step-by-step explanation:
There are several approach to solving a quadratic equation; factorization, completing the square, the use of 'the almighty formula etc. Though i didn't see the steps you followed in solving, but from your answer, it is obvious you made good attempt but something is missing, your answer should be (5+√57)/2 or (5-√57)/2