The mass of the eiffel tower is about 9.16 ⋅ 10^6 kilograms. the mass of the golden gate bridge is 8.05 ⋅ 10^8 kilograms. approximately how many more kilograms is the mass of the golden gate bridge than the mass of the eiffel tower? show your work and write your answer in scientific notation.

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"