Triangle LMN with vertices L(2,-8), M (12,8), and N (14,-4): k=1/2

Multiply. write your answer in simplest form. 3/8 x 5/7

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?