Pls i need help with my math
Find the value of each symbol in the multiplication table below:

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

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

Add the fractions and simplify 1/2+ 1/3