One nickel weighs 5 grams. find how many nickels are in 7.5 kilograms.

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

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x