Find the solution to the system of equations: 2x+y=12 7x-2y=31

Lily's car has a fuel efficiency of 8 liters per 100 kilometers what is the fuel efficiency of Lily's car in kilometers per liter

7. The value of y varies directly with x, and y = 8 when x = 2. Find y when x = 10.

Rectangle N has an area of 5 square units. James drew a scaled version of Rectangle N and labeled it Rectangle P. What scale factor did James use to go from Rectangle N to Rectangle P? (rectangle p's area is 45)

A computer code is based on the prime facttorization of 160. find the prime factorization of 160

If 3000 ft3 of air is crossing an evaporator coil and is cooled from 75°F to 55°F, what would be the volume of air, in ft3 , exiting the evaporator coil

Credit card a offers an APR of 25.68%, compounded monthly, while credit card B offers and APR of 25.32%, compounded daily. All else being equal, which card offers the better deal for the customer?

Seven times a number plus the sum of three and twice a number is 30.

All pyramids are Platonic solids. True or false?

Which decim is greater than 2.234

Which partial products can be used to find the product shown below? 51 x 42 О А 2 and 2,000 о в. 10 and 2,400 o с. 12 and 2,040 о o р. 102 and 2,040