You order an entree for $12. you pay 0.78 in taxes. what is the tax rate

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Determine the area of a triangle with (see picture below)

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis