For the given configuration, determine how many different license plates are possible if: I
a) digits and letters can be repeated: 4 letters followed by 2 digits
b) and digits and letters cannot be repeated: 1 digits followed by 5 letters

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Bring the fraction a/a-4 to a denominator of 16-a^2