What is is the answer for 10x-10=55

Volume of cylinder with a radius of 8cm and height of 25 cm

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?