Use substitution to solve the linear system of equations.

x = 4

-y = 1/2x

(4, - 2)

(-2, 4)

(4, 2)

(2, - 4)

Is 7 a whole number

The perimetre of a square is 6 cm calculate the area of the square

Which term of the sequence 114,109,104, ... is first negative term

The area of a rectangle is 344 square inches. If the rectangle is 16 inches wide, find the perimeter of the rectangle. A. 67 inches B. 72 inches C. 75 inches D. 80 inches

The super sweet company will choose from 2 companies to transport its sugar to market. The first company charges $4500 to rent trucks plus an additional fee of $200.25 for each ton of sugar.

2-8x=10 looking for solution

What is 9/1 times 7/10

Kevin is 4 times as old as Daniel and is also 6 years older than Daniel. How old is Daniel?

sam and andre shared a number of pennies in the ratio 8:3 they received a total of 671 pennies how many more pennies did sam receive than andre

Efren leaves home at 9:00 A. M. and walks 4 miles per hour. His brother, Gregory, leaves half and hour later and runs 8.5 miles per hour in the same direction as Efren. Predict the time at which Gregory will catch up to Efren.