Daily Practice - Higher Plus

The probability of winning a game is 3/4. A player expects 15 wins. How many games did they play?

On a histogram the bar for 60 < x ≤ 70 has a frequency density of 2.4. How many values are in that class?On a histogram the bar for 60 < x <= 70 has a frequency density of 2.4. How many values are in that class?

A block has mass 340 g (to the nearest 10 g) and volume 11 cm³ (to the nearest cm³). Work out the upper bound of its density, to 2 decimal places.A block has mass 340 g (to the nearest 10 g) and volume 11 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.

In an algebraic proof, how would you write three consecutive even numbers in terms of an integer n?

y is directly proportional to x³. When x = 3, y = 81. Work out y when x = 5.y is directly proportional to x^3. When x = 3, y = 81. Work out y when x = 5.