3. 21̅̅̅̅
(7.2 - 2 1/2) * 1/4 + (-1 3/5)
solve\:for\:a,\:y=a\left(x-0.3\right)^2+2.1
4x²+12xy+9y²
lim_{n $\rightarrow$ $\infty$ } (1+1/n)^n
180% of 40
5/(4x+3)=5/4x + 5/3
81x^2 -256y^2
x and y Intercepts (x-3)/(x+4)