Identify the shapes and what is the surface area !? use 3.14 for pi Show work !

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Every rhombus is a square. true false

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice