What's the product of (2+3i)+(4+7i)

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

What is the graph of the absolute value equation ? y=|x|-5