$19 F*rtn*ite card, WHO WANTS IT?!?!?!
19 POINTS ;))

The sum of four times a number and three is two times the number minus twenty nine

Which is an equivalent equation solved for r? the circumference of a circle can be found using the formula c = 2πr. r=cπ r=c(2π) r= c over 2π r= 2π over c

Enter the amplitude of the function. f(x)=3cosx