Jocelyn needs to order some new supplies for the restaurant where she works. The restaurant needs at least 409 forks. There are currently 297 forks. If each set on sale contains 10 forks, what is the minimum number of sets of forks Jocelyn should buy?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?