Which formula describes the following geometric sequence? remember that n represents the term number.

2, 6, 18, 54,

a. an = 2 · 3n - 1
b. an = 3 · 2n - 1
c. an = 2 + 3(n - 1)
d. an = 3 + 2(n - 1)

Use the multiplier method to incrases £258 by 43%

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?