If a = 6 and x = 8, which of the following gives a value of 22?
  • a + x2
  • a + 2x
  • 2a + 2x
  • 2ax
If a = 4 and b = 5, what is the value of 2a + b
  • 7
  • 9
  • 11
  • 13
If x = 6 and y = 7, which of the following gives a value of 55
  • x2 + y2
  • xy2
  • x + y2
  • 2x + 2y
If x = 9 and y = 23, what is the value of y - x?
  • 14
  • 16
  • 18
  • 20
If a = 4 and b = 8, what is the value of 2a + x
  • 64
  • 72
  • 80
  • It is impossible to say
If a = 2, b = 3, c = 4 and d = 5, what is the value of 2a + 3b + c - d
  • 24
  • 26
  • 28
  • 30
If a = 4 and b = 2, what is the value of a / b?
  • 8
  • 16
  • 4
  • 2
If x = 5 and y = 10, what is the value of xy / 10
  • 3
  • 5
  • 10
  • 20
If x = 2 and b = 4, what is the value of x + b ?
  • 12
  • 16
  • 20
  • 24
If a = 2 and b = 3, what is the value of a + b + a?
  • 5
  • 6
  • 7
  • 8
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