12$t^{2}$ -2 $t^{3}$ = 43
2x = -4y + 8
(x+11)(x+5)(25-x)(x+9)=14112
5+=
find the sum of 89 and 98
3/24-9/69
Q=(1,78+((0,22*H)/P))*L*H^(3/2)
9/5 + 2 + 15/3
2/3 + 2/5
In answering a question on a multiple-choice, a student either knows the answer or
he/she guesses it. 3/17 is the probability th...