Bag of marbles 2 red 5 blue 7 yellow

Using the 36 possibilities for rolling two dice what is the sum to equal 8

a ski gondola cabin can safely carry x number of people. There are already 2/3x people in the cabin when another 15 are allowed to boared it. How many people can the cabin carry?

Is negative 51 over 5 rational or irrational?

2.1 Samuel saves two cents the first month and every month later he doubles the amount. How much will he save after two years? a) How much will Samuel save in the 9th month? (5) b) How much will he save after a year and half

What is 2.3375 rounded to the nearest dollar

A Ferris wheel travels in a circular motion and measures 40 meters from the top car to the bottom car. What is the length of the radius of the Ferris wheel

What is factorisation and how do you do it?

Factor the expression 28r + 42s - 35

Find the slope and y-intercept for 2x+8y=-32 and then graph the line

Base systems like binary and hexadecimal seem a bit strange at first. The key is understanding how different systems "tick over" like an odometer when they are full.