4.) a.) quality control: factory workers test 80 batteries. four batteries are defective. what is the experimental probability that a battery is defective? b.) assume this trend continues. predict the number of defective batteries of 1600.

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2