An office supply stores marks up their prices by 30%. Which of the following could be items sold by the store? Select all of that apply. office chair: cost: $72, selling price: $94.50
printer paper: cost: $4.60, selling price: $5.98
box of paper clips: cost: $1.20, selling price: $1.65
file cabinet: cost: $60, selling price: $78

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air