Consider the arithmetic sequence with a first term of 11 and sixth term of 21. What is the sum of these first six terms?

A: 192
B: 52
C: 142
D: 96

The product of two negative rational numbers is always zero sometimes zero never zero

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?