John was born in 1852. Isaac was born in 1643. How many years apart were they born?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru

8.74 rounded to the nearest whole number