Jen & Evan sold donuts for a fundraiser. Jen sold 16 less than twice the number of donuts that Evan sold. Together, they sold 182 donuts. How many donuts did Jen sell?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?