Melanie has a $50 gift to use at Forever to buy clothes. She decides to buy t-shirts. Each t-shirt she wants to buy costs $6.25. The function f(x) = 6.25x -50 represents the amount of cash required to purchase x comic books after using his gift card. How much cash does Melanie need to buy 5 t-shirts?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)