5a²-28a+7=0
19 percent as a fraction
subract-x+10x-5x from 5 x-10
subract-x+10x-5x from 5 x
10√3-10
what are all the prime numbers between 80 and 90
find dy/dx
y=sin(x+y)²
5-1+9
(t + 5²) (t² - 5)
9+1-5=