) Ayesha has three satin ribbons each of lengths 0.5 m, 75 cm and 450 mm. What is the total length of the three ribbons she has in
millimetres?​

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0