Subtracting the second equation from the first

-2x + 7y = 10

3x + 7y = 2

What is the quotient of a number and four decreased by ten is two what is the number

If function g has the factors (x - 7) and (x + 6), what are the zeros of function g?

Four sisters bought a present for their father. They received a 10% discount on the original price of the gift. After the discount was taken, each sister paid $9.00. What was the original price of the gift?

A gardener is planting two types of trees:Type A is three feet tall and grows at a rate of 15 inches per year. Type Bis four feet tall and grows at a rate of 10 inches per years.

Which sheep has a larger area of rectangle that is 7" by 3 fourths inch or a square with side length of 2 1/2 inches

Round both numbers to the nearest whole number and estimate the result 6.8*7.9, 7.6*7.5, 0.9*44, 0.2*44

The sum of a 3-digit number and a 1-digit number is 217. the product of the numbers is 642. if one number is between 200 and 225, what are the numbers

Counting codes. How many 3-digit telephone area codes are possible if the first digit cannot be 0 or 1?

The equation P=28+2.54w models the relation between the amount of Randy's monthly water bill payment, P, in dollars, and the number of units of water, w, used. Interpret the P-intercept of the equation.

A roller coaster ride holds a total of 36 passengers. The ratio of males to females on the ride is 5 : 4. Let xx represent the number of males on the ride. Let yy represent the number of females on the ride.