2x² + 166 +30
a.
b.
2(x - 3)(x - 5)
2(x - 3)(x + 5)
c. 2(x+3)(x - 5)
d. 2(x+3)(x + 5)

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

if i put something wrong your not gonna like it so rather not say nothing.

13.46

step-by-step explanation:

16.80 x .20 = 13.46