the sum of m and n cubed

If p= 3, q =-2 and r=-4, evaluate: (a) p - q / r (b) q^2 +pr / p + r

Write down algebraic expressions for: a. the sum of b and a squared. b. the sum of b and a, all squared c. the sum of the squares of b and a

Katia is climbing the stairs to the top of a 35 m tower. Each step is 21 cm high. If Katia has climbed x steps: (a) how high has she climbed (b) how much further must she climb to the top?

Simplify : (a) 5x^2 x 4x (b) (-3x) x (-2x^2)

Write expressions for the difference between: a. 4 and y if 4 > y b. (a+b) and c if (a+b) <c

Simplify (a) 2 + 3a- 3- 2a (b) x^2 - 2x +3x - 2x^2

write down algebraic expressions for- the product of the square of x and 9

Write expressions for the average of: a. 4 and y b. a, b and c

WRite down algebraic expressions for the sum of: (a) one-third of the sum of r and s (b) triple the sum of b and c

Su Lin travelled a km in 3 hours and then b km in 2 hours $85. (a) the total distance Su Lin travelled (b) the average speed for the whole trip.

If x =4, y=-3, and Z=-2, evaluate: (a) y^3 (b) 2xy / z^2 (c) (x-y)^2

Zane is now 14 years old. How old was he x years ago?