HELP PLEASE What is the solution of the equation?

5.1x + 3.2 = 13.4
a.) 3
b.) 2
c.) 3.6
d.) 3.3

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

How many lines can be drawn through points j and k? 0 1 2 3

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1