Given: abcd is a rectangle, ac ∩ bd = o, m∠abd=30°, ac=16 in. find bc. i need the answer to this question asap! !

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?