Students in grade6, 7 and 8 sold a total of 320 concert tickets.
grade 6 students sold x tickets grade 7 students sold s tickets and grade 8 students sold t tickets use the equation x + s + t = 320 to find x the number of tickets that were sold by grade 6 students

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

Which statements are true about additional information for proving that the triangles are congruent check all that apply

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.