Equation unknown Ms. Owens has some butterflies 7 of them fly away Now she has 12 butterflies left How many butterflies did she start with?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

Which function has the domain x> -11