Aresearcher plans to investigate whether a cup of hot milk at night people relax so that they fall asleep quickly. in this study,
a. the independent variable is the amount of time it takes the person to fall asleep
b. the independent variable is the lab in which the research is conducted.
c. the independent variable is the hot milk at bedtime
d. the independent variable is the hypothesis of the study.

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?