A sketch of the graph y=2x^2-4x-7 is shown. Find the values identified as a, b, c, d and e on the sketch

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Three times the sum of a number and seven is negative thirty-six. what is the number?