What is the appropriate span for a 30 psf load using 2x8 boards with a joist spacing of 16 inches?
A. 8 feet 6 inches
B. 11 feet 4 inches
C. 12 feet 1 inch
D. 13 feet 11 inches

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

How do you write something in scientific notation?