How do you know 7 is a factor of 219

Marcy has $150 to buy packages of hot dogs, d, and hamburgers, b, for her booth at the carnival. At her grocery store she found packages of hot dogs cost $6 and packages of hamburgers cost $20.

Is 4 2/3 less than negative 2

I only need the equations, I can solve it. A pile of 22 coins consists of nickels and dimes. The total value of the coins is 1.20. Find the number of each type of coin.

Gabriel finds some wooden boards in the backyard with lengths of 5 feet, 2.5 feet and 4 feet. He decides he wants to make a triangular garden in the yard and uses the triangle inequality rule to see if it will work.

What is x if x/3 + x/2=5

7/8 of a birthday cake was left over from a party. The next day, it is shared among 4 people. How big a piece of the original cake did each person get?

Y varies directly with x2 and y = 48 when x = 2. Which is the quadratic variation equation for the relationship? Option A: y = ¼x2 Option B: y = 12x2 Option C: y = 4x Option D: y = x2 + 25

the perimeter of the base of the regular triangular pyramid is P=16.5 find the sum of all edges of this pyramid, if the perimeter of a lateral face is 18.5 cm.

Word forms 33,005,008

If X = 2 centimeters, Y = 4 centimeters, and Z = 7 centimeters, what is the area of the object? A. 28 square centimeters B. 56 square centimeters C. 36 square centimeters D. 24 square centimeters