2. A metal bar is 1500 metres long. It is heated and the length increases by 2%. How

long is the bar now?

Y = 2x x=-y+6 solve this system of equations

The variable z is directly proportional to x. when x is 5, z has the value 55. what is the value of z when x = 12

What is zero of the polynomial and example

9-4 (2p-1) = 41 what is p

Daisy is shipping a package to her daughter, Molly. If the box's dimensions are equal, and the length is 3 feet long, what is the volume of the box in cubic feet? A. 1 B. 3 C. 9 D. 27

B=100-10x^2 it costs the company $60

Simplify, write each answer in scientific notation (7.4 x 10) ^2

2. What are the means of the following proportion? 3/15 = 12/60 A. 15 and 12 B. 3 and 15 C. 3 and 60 D. 12 and 60

A virus consists of

A certain type of water lily doubles the area it covers every year. Ten years after being planted in our lake the water lilies cover a quarter of the lake's surface. How many more years will it be before they cover the entire surface of the lake?