A cookery book gives the cooking time for a chicken as 25 minutes per kg plus 20 minutes. Write down a formula for the total cooking time, T, in minutes, for a chicken with a mass of m kg. T=​

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

In which form is the following function written? y = - 2(x – 3)(x + 5)