3*45 show work in box form

Which of the following is the major negative aspect of crossover designs for research studies? A. Prohibitive cost B. Residual effects C-Subject drepout D. Incomplete randomization E. Large sample size required

A couple wants to put up Christmas lights along the roofline of their house. if the front of the house is 100 feet wide and the roof has a 45° pitch, how many linear feet of christmas lights should the couple buy?

Simplify 3/2:7/3:7/6

Emily convinced her mom to buy a giant box of her favorite cereal. Her mom doesn't think the box will fit on their shelf. The volume of the box is 10,000 cm^3 The base of the box is 25 cm by 10 cm. How tall is the box of cereal?

What 0.034 in word form

Ms. Jane's class counted by 6. Each student said one number. How many students counted if the last number was 138?

Americans consume about 13,150,000,000 gallons of carbonated drinks each year. Express this number in scientific notation. A).1315 x 1011 B) 1.315 x 1010 C) 1.315 x 1011 D) 13.15 x 109 Answer is B

An airplane travels at 950 km/h. how long does it take to travel 1.00km? in hours

A system of equations is a set of two or more functions with the same inputs and outputs. Options: True False

Find the value of x and y for the below equation. (X+yi) + (8-5i) = 4+3i)