How many solutions are there to the following system of equations? y = 7x - 3 -14x + 2y = -3

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Write an equation for the function that includes the points (2,100)and (3,100)

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.