Solve the simultaneous equations. 6x+5y=20 5x+2y=21

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Me d is also an option but i couldn't get it in the picture

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.