Jenna and her 3 friends each picked 3 apples off the apple tree in her yard. if an apple weighs 5 ounces, what is the total weight of the apples?

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

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

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm