The liberia zoo had 30 giraffes in its exhibit. the zoo loaned 7 giraffes to a neighboring zoo. how many giraffes remained at the liberia zoo? which equation models the situation? how many giraffes remained at the liberia zoo?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin