Fill in the blanks. The slopes of lines are . The product of the is equal to . The intersection of the lines on a coordinate grid form . help

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

What is the square root of 45? (step by step working plz)

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