The sum of a number and 29 is 54.Find the number.

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.