You need to know logs and if you could help with d, 6, and 7 that would be great

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.