Bis the midpoint of ac, d is the midpoint of ce , and ae = 23. find bd. 12.5 46 11.5 23

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,