Use substitution to determine whether the system below has no solution, infinitely many solutions or one solution. 15x + 5y = 20
y = 8 - 3x

What expression is equivalent to 42x-56y

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

Describe the graph of 3x+2> 2 and 3x< 6