Answer:
Step-by-step explanation:
14.
by pythagoras,s theorem
15.
first perpendicular=y(say)
and second perpendicular=z (say)
y²=9²+7²=81+49=130
z²=y²+5²=130+25=155
x²=z²+4²=155+16=171
x=√(171)
Answer:
B
Step-by-step explanation:
it's the only equation that actually makes sense
Multiply them as if they were whole numbers, then ( with your answer) move your decimal over either 2 or three ( I kind of suck at that part )
The Correct answer to it is -14 - (-6) = - 8
Answer:
128
Step-by-step explanation:
thank me later