What is the magnification of a virtual image if the image is 10.0 cm from a mirror and the object is 20.0 cm from the mirror? d Use the equation m = - d. O A. 0.50 O B. -0.50 O C. 2.0 O D. -2.0​

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.