Answer:
1st answer
Step-by-step explanation:
From pythagorus theorem.
Since hypotenuse

Answer:
Not quite sure what the purpose of this question is, but... How do you get straight A's?
Use a ruler
*insert rimshot*
Step-by-step explanation:
The equation for this would be 4x+3=y where x is months and y is your amount of toys after x months.
plug in 4 for x -> 4(4)+3=y
solve -> 16+3=y
y=19
Answer:
116000
Step-by-step explanation:
The number of twins in 2000 is x
the number increases by 11% to year 2015
x(1+11/100 )=128760
x+0.11x=128760
1.11x=128760
x=128760/1.11
x=116000