Answer:
Your answer is -3
Step-by-step explanation:
I had this on a test and i got it
plz mark brainliest
The first one and the last one
The answer should be a) (p+q)*r
Means the number you can use
remember we can't divide by zero
domain is x^2-9
set to zero to find values we can't use
x^2-9=0
x^2=9
x=+/-3
domain=all real numbers except -3 and 3
Answer:
in right angled triangle ABC
by using Pythagoras law
h²=p²+b²
x²=7²+10²
x=√149=12.21cm