672,591 rounded to the nearest hundred thousand

The slope of the graph is equal to

Write 12c+10 as an equivalent expression with one term

Research is counted 8912 monarch butterflies on one branch of a tree at a site in Mexico. The estimate of the total number of butterflies at the site was 1000 times as large.

If 40% of the students in the class are boys, and if there are 18 girls in the class, then how many students are in the class?

Use algebra tiles to find the difference. Let one white tile equal + 1 and one black tile equal _1. 10 _ 9

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.