A scientist is cooling a solution to its freezing point. The original temperature of the solution was 20.4ºC. The temperature drops by 70.6ºC in the first 30 min. The temperature then drops another 62.1ºC in the next 30 min to the freezing point. What is the freezing point of the solution?

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.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Find the root(s) of f (x) = (x- 6)2(x + 2)2.