Mr. Robles has two kinds of fruit in his basket. The ratio of apples to oranges in the basket is 3:4. If there are 9 apples, how many pieces of fruit are in his basket? O A. 21 OB. 8 O C. 38 D. 12 SUBMIT

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

8.74 rounded to the nearest whole number

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?