80 is the estimate that I say it's pretty close
Step-by-step explanation:
first u find the angles and then u use some low divide the length of triangle by sin of opposite angles
Answer:
It all depends on the type of coins stacked
Answer:
f(7)=13
g(-9)=86
Step-by-step explanation:
f(7)=2*7-1=14-1=13
g(-9)=(-9)^2+5=81+5=86