A class of 32 students has 12 girls. what is the ratio of girls to boys?

The number of pencils sold varies directly as the cost. if 5 pencils cost $0.45, find the cost of 7 pencils.

All linear pairs must be supplementary because

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Food bill before tax $80 sales tax 7.9% tip 18%

Yesterday were 1743 people visited the flea market. today 576 people more thant yesterday. how many peolpe today are in the flea market

Restaurants often slip takeout menus under Maura's apartment door. So far, Maura has collected 15 menus, including 3 for Chinese food.

One kilogram is approximately equal to 2.21 pounds. Find the number of kilograms in 215 pounds. Round to the nearest tenth of a kilogram, if needed.

A raised flower bed is 25 feet long, 8 feet wide, and 1.5 feet deep. Find the area of the bed and the volume of soild it holds.

the pressure in pounds per square feet changes as an object is submerged into water. Use the informatition in the table below. What would be an estimate of the pressure on an object submerged to a depth of 20 feet

Let v1; v2; and v3 be three nonzero vectors in R3. Suppose v2 is not a scalar multiple of either v1 or v3 and v3 is not a scalar multiple of either v1 or v2. Does it follow that every vector in R3 is is a linear combination of v1, v2, and v3?