define variable and an attribute
x to the power -15 over x to the power 8
find the sum of 6.3 and 2.9
determine the position and species of the cusps of the following curve (2y+x+1)^2=4(1-x)^5
expand and simplify 6(x - 2) + 3
8รท2(2+2)
10
2x (x+y) -2 (x-y) simplify grade 7
5x-3y=12-2x+4y=5
44-12+(-10)-(-12) solve