How many different phone numbers are possible in the area code 503, if the first number cannot start with a 0 or 1

8000000

Step-by-step explanation:

503-xxx-

for the last 7 digit: 2-9 8 for first digit

                              0-9 10 for digit 2 to digit 7

Total: 8*10*10*10*10*10*10 = 8000000

step-by-step explanation:

hunhgunyt7 in u uuuhiuteu

step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.