Laura found 12 shells on a trip to the beach. these shells represent 1/4 of the shells in her whole collection. how many shells does laura have in her whole collection?

Which of the following sequences is an arithmetic sequence? A. {1,4,16,48, ...} B. {-10,5,-2.5,1.25, ...} C. {100,20,4,0.8, ...} D. {-10,-3.5,3,9.5, ...}

A rectangular board is 1.8 meters long and 1.5 meters wide. What is the area of the board in square millimeters?

In September a clothing store had a sale where you could get 3 scarves for $13.35. In October the price was changed to 5 scarves for $22.65. On which month did a scarf cost the most?

If two angles form a linear pair and then m<1=2x+20 and m<2=48x find the measure of each angle

Lucy deposits $7000 into an account that pays simple interest at a rate of 3% per year. How much interest will she be paid in the first 6 years?

The women's department of a store stocks 4 types of black socks for every 5 types of white socks. The men's department stocks 6 types of black socks for every 7 types of white socks.

Is 5y=x + (1 over 3) proportional?

50% of the population in Alaska lives within a 50-mile radius of Anchorage. If the total area of Alaska is 586,412 square miles, about what percent of the total land area is within 50 miles of Anchorage?

Evaluate 12x - (4y+7z) for x=9 y = 4 and z = 2

Which of the following expressions are equivalent to 4 - (-5) + 0?