PLEASE HELP ASAP simplify this expression
(Square root 2+square root 3)(square root 5- square root 7)

A. Square root 5+square root -2

B. Square root 20*square root 15- square root 14- square root 21

C.2 square root 5-2sqaure root 7

D. 2 sqrt 5+3 sqrt 5-2 sqrt7-3 sqrt7

The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)1/n+c what does the graph tell you about the value of n in this function

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6