Ok so I know the answere it is -11
The answer to the question is 5^x - 10
Answer:
5/2 i think but i am not sure sorry if its wrong
Step-by-step explanation:
Answer:
14.7
Step-by-step explanation:
a^2+b^2=c^2
15^2+b^2=21^2
225+b^2=441
subtract 441-225=216
square root of 216 = 14.6969384567
= 14.7
