Set up and solve simultaneous equations to answer the following. 1. Find two numbers whose sum is 45 and whose difference is 11.

What is the value of the expression below? (81^2)^1/8

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

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank