What does star, circle, square, and triangle equal? Please help

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.