Which algebraic expression is represented by the word phrase "four less than the product of x and the sum of y and 2?

a) xy+2-4
b) x(y+2)-4
c) 4-xy+2
d) 4-x(y+2)

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

The area of square garden is 300m squared. how long is the diagonal?