Abirds watcher saw 3 blue jays on the first day of his vacation. each day after that he saw 2 more blue jays than he did on the previous day. on the last day he saw 27 blue jays. write an equation that could be solved to find the number of days the birdwatcher was on vacation since the 1st day

The number of days is 13.

Step-by-step explanation:

It is given that a birds watcher saw 3 blue jays on the first day of his vacation. Each day after that he saw 2 more blue jays than he did on the previous day.

...

It means the series is

3,5,7,..., 27

The first term of series is 3 and the common differences is 2.

The formula of nth term is

Substitute , a=3 and d=2.

Therefore the number of days is 13.

then, the surface area of the sphere shown in the image is: 256π sq. units!

step-by-step explanation:

the lateral surface area of a sphere is 2πrh where h=2r.

then:

surface area = 4πr^2.

in this case, r=8 units ⇒ surface area = 4π(8 units)^2. = 256π sq. units!

then, the surface area of the sphere shown in the image is: 256π sq. units!

the correct answer is 1: 2

step-by-step explanation:

hope this your welcome : )