Find the value of x2 + xy if x = 4 and y = 3.
1.)21
2.)28
3.)20
4.)59
5.)10

When y’all answer can y’all explain too !

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

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read