9. If 3/4 of a ton of sand covers 2/5 of a playground, how many tons of sand are required to cover the entire playground

How many rational roots does x4 + 3x2 + 2 = 0 have?

Which matrix represents the system of equation shown below? 3x+y=1 -y=5

A group goes on a nature walk and identifies all the edible plants encountered. What type of data is this?

Determine the range of this set of data. 89,73,84,91,87,77,94

S=4lw+2wh; s=180, l=8, w=5

Kyle is raising funds for his company by selling preferred stock. The preferred stock has a par value of $122 and a dividend rate of 6.5 %. The stock is selling for $84.39 in the market.

In a restaurant john bought one cup of gumbo and two salads for $12.25. Greg bought 4 gumbos and 4 salads for $31 how much does each cup of gumbo and salad cost.

Which expression represents the sum of (2x - 5y) and (x + y) ?

The table shows the relationship between the amount of money in a bank account at the end of each month. Determine whether it's a growth or decay and whether it grows or decays by a constant percent.

Leslie needs 48 ounces of charcoal for her grill. How many pounds of charcoal should she buy?