1. A concert charges $8.25 for youth tickets and $12.50 for adult tickets. If y is the number of youth tickets sold and a is the number of adult tickets sold, which of the following expresses, in dollars, the total revenue from the tickets sold? A) 8.25a+12.50y
B) 12.50a+8.25y
C) 20.75a+20.75y
D) 20.75(a+y)
Show work please.

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?