Tony is using these numbers to make a new number: 12, 1, 4, 7. He can use brackets, +, -, x and the divide sign as often as he wishes.
He can't use any number more than once.
He cannot use powers.
He cannot put numbers together, eg he can't use 147.
What is the biggest number he can make and show how he can make this number. (MathsWatch)

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

98 point question what is the record for most points in one

What is the value of f(x) = 2.2 for f(-2)?