The roots of the equation x ^ 2 + x + b = 0 are equal if
solve for x; its a double equation: 4x - 7 = 5x + 24x - 7 = 5x + 2
In AABC if angle A = 40 deg and angle B = 70 deg , find the measure of exterior angle A
3. If 3 coins are tossed, what is the probability of getting (1) only one Tail (ii) no Tails (iii) one Head.
simplify 0.013 multiplied by 0.00009 divided by 0.6 to 1 significant figures
$$\sum_{r=1}^{n}{r^3}+r$$
how do you factorize a negative number
2 by 3 x square + -3 by 7 x square y + 2 by 7 x square y cube
the ratio of bicycles to buses is 3:4 respectively if there are 9 bicycles ,how meny buses are there?