Which expression is equal to (2x^2+3)(x+4)? A. 2x^3+12
B. 2x^2+11x+12
C. 2x^3+6x^2+4x+12
D. 2x^2+8x^2+3x+12

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

What is sin 7x/4 ? i need on this urgent trig

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"