What is the value of x in the equation below? –3 – (–8) – (–2) = x –13 –9 3 7

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section