If 3x = y - 5 and x = -4, then y = ?
A)-7
B)3
C)7
D)17
E)9

Need on this one asap im almost done with this subject

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

What is the lcm of 16 and 40 ? 24 and 40 ?