You pay $10 and roll a die. if you get a 6, you win $50. if not, you get to roll again. if you get a 6 this time, you get your $10 back. what is the standard deviation for your prospective winnings. round your answer to the penny.

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total