The mean age of 3 women in an office is 27 years old. The mean age of 6 men in an office is 25 years old. What is the mean age (nearest year) of all the people in the office?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Is a positive integer raised to a negative power always positive

Find the multiplicative inverse of 8-12i