Find a ⋅ b.

a = < 5, 2> , b = < 4, 5>

< 20, 10>
< 9, 7>
-10
30

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.