The junior class at Summerfield High School sold a total of 375 tickets for their spring festival. The adult tickeln sold for $7.50 each and the student tickets sold for 54.50 each. If the junior class collected $2.212.50 in ticket salos, how many student tickets did the class soll?

Anyone know? will mark brainliest if you're correct!

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}