It could be x > 21 im not sure
Answer:

Step-by-step explanation:
step 1
Convert mixed number to an improper fraction

step 2
Using proportion

step 3
Convert to mixed number

Answer:
in right angled triangle ABC
by using Pythagoras law
h²=p²+b²
x²=7²+10²
x=√149=12.21cm
Answer:
D. 2
Step-by-step explanation:
Common denominator is already presented which is 4.
-3/4 and 3/4 cancel each other out.
you can also convert to decimal form -3/4 + 2 3/4 is the same as:
-0.75 + 2.75 = 2.
Answer:
7x65 is 455
Step-by-step explanation:
I need more info if this does not workout...