I don’t understand please help

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?